Olympians Who Set a World Record in Long Course Swimming (808)
Description
Records in this list are shown for current Olympic events only.
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Steve Furniss |  USA |
SWM | Olympics | 1972—1976 | 200 m medley – 1 September 1974 - 23 August 1975: 2:06.32 tied (1 September 1974; Concord, USA); 4×200 m freestyle relay – 22 August 1975 - 21 July 1976: 7:30.54 (22 August 1975; Kansas City, USA) |
| Hironoshin Furuhashi |  JPN |
SWM | Olympics / Administrator | 1952—1999 | 400 m freestyle – 24 July 1949 - 11 March 1950: 4:34.6 (24 July 1949; Tokyo, JPN), 4:33.3 (18 August 1949; Los Angeles, USA); 800 m freestyle – 26 June 1949 - 7 July 1951: 9:45.6 (26 June 1949; Tokyo, JPN), 9:40.7 (16 August 1949; Los Angeles, USA), 9:35.5 (16 August 1949; Los Angeles, USA); 1500 m freestyle – 16 August 1949 - 3 May 1956: 18:19.0 (16 August 1949; Los Angeles, USA); 4×200 m freestyle relay – 18 August 1949 - 24 February 1950 and 2 April 1950 - 2 August 1951: 8:45.4 (18 August 1949; Los Angeles, USA), 8:40.6 (2 April 1950; Marília, BRA) |
| Masaru Furukawa | JPN |
SWM | Olympics | 1956 | 100 m breaststroke – 1 October 1955 - 1 May 1957: 1:08.2 (1 October 1955; Tokyo, JPN); 200 m breaststroke – 10 April 1954 - 17 September 1954 and 5 August 1955 - 28 June 1958: 2:36.6 (10 April 1954; Tokyo, JPN), 2:35.4 (10 April 1954; Tokyo, JPN), 2:33.7 (5 August 1955; Tokyo, JPN), 2:31.0 (1 October 1955; Tokyo, JPN); 4×100 m medley relay – 7 September 1957 - 25 July 1958: 4:17.8 (7 September 1957; Tokyo, JPN), 4:17.2 (28 May 1958; Tokyo, JPN) |
| Chris Fydler |  AUS |
SWM | Olympics | 1992—2000 | 4×100 m freestyle relay – 16 September 2000 - 15 August 2004: 3:13.67 (16 September 2000; Sydney, AUS) |
| Geoff Gaberino | USA |
SWM | Olympics | 1984 | 4×200 m freestyle relay – 30 July 1984 - 30 July 1984: 7:18.87 (30 July 1984; Los Angeles, USA) |
| Rowdy Gaines | USA |
SWM | Olympics | 1984 | 100 m freestyle – 3 April 1981 - 6 August 1985: 49.36 (3 April 1981; Austin, USA); 200 m freestyle – 11 April 1980 - 21 June 1983: 1:49.16 (11 April 1980; Austin, USA), 1:48.93 (19 July 1982; Mission Viejo, USA); 4×100 m freestyle relay – 22 August 1978 - 17 August 1985: 3:19.74 (22 August 1978; West-Berlin, FRG), 3:19.26 (5 August 1982; Guayaquil, ECU), 3:19.03 (2 August 1984; Los Angeles, USA); 4×200 m freestyle relay – 24 August 1978 - 23 August 1983: 7:20.82 (24 August 1978; West-Berlin, FRG); 4×100 m medley relay – 7 August 1982 - 18 August 1985: 3:40.84 (7 August 1982; Guayaquil, ECU), 3:40.42 (22 August 1983; Caracas, VEN), 3:39.30 (4 August 1984; Los Angeles, USA) |
| Nancy Garapick |  CAN |
SWM | Olympics | 1976 | 200 m backstroke – 27 April 1975 - 6 June 1975: 2:16.33 (27 April 1975; Brantford, CAN) |
| Eleanor Garatti-Saville | USA |
SWM | Olympics | 1928—1932 | 100 m freestyle – 7 August 1929 - 25 August 1929: 1:09.8 (7 August 1929; Honolulu, USA); 4×100 m freestyle relay – 9 August 1928 - 14 April 1934: 4:47.6 (9 August 1928; Amsterdam, NED), 4:38.0 (12 August 1932; Los Angeles, USA) |
| Nel Garritsen |  NED |
SWM | Olympics | 1952 | 3×100 m medley relay – 2 December 1950 - 31 December 1952: 3:35.9 (2 December 1950; Rotterdam, NED) |
| Terry Gathercole | AUS |
SWM | Olympics | 1956—1960 | 200 m breaststroke – 28 June 1958 - 28 July 1961: 2:36.5 (28 June 1958; Townsville, AUS); 4×100 m medley relay – 25 July 1958 - 24 July 1960: 4:14.2 (25 July 1958; Cardiff, GBR), 4:10.4 (22 August 1958; Osaka, JPN) |
| Ines Geißler |  GDR |
SWM | Olympics | 1980 | 4×100 m medley relay – 6 August 1982 - 30 July 1992: 4:05.88 (6 August 1982; Guayaquil, ECU), 4:05.79 (26 August 1983; Roma, ITA), 4:03.69 (24 August 1984; Moskva, URS) |
| Steve Genter | USA |
SWM | Olympics | 1972 | 4×200 m freestyle relay – 9 August 1971 - 10 September 1971 and 31 August 1972 - 7 September 1973: 7:45.8 (9 August 1971; Cali, COL), 7:35.78 (31 August 1972; München, FRG) |
| Agnes Geraghty | USA |
SWM | Olympics | 1924—1928 | 100 m breaststroke – 13 February 1926 - 9 June 1928: 1:28.8 (13 February 1926; St. Augustine, USA) |
| Éva Gérard-Novák |  BEL HUN |
SWM | Olympics | 1948—1956 | 200 m breaststroke – 21 October 1950 - 13 November 1956: 2:48.8 (21 October 1950; Székesfehérvár, HUN) (competed as Éva Novák for Hungary), 2:48.5 (5 May 1951; Moskva, URS) (competed as Éva Novák for Hungary); 4×100 m freestyle relay – 27 April 1952 - 20 October 1956: 4:27.2 (27 April 1952; Moskva, URS) (competed as Éva Novák for Hungary), 4:24.4 (1 August 1952; Helsinki, FIN) (competed as Éva Novák for Hungary) |
| Sylvia Gerasch |  GER |
SWM | Olympics | 2000 | 100 m breaststroke – 23 August 1984 - 21 August 1987: 1:08.29 (23 August 1984; Moskva, URS) (competed for East Germany), 1:08.11 (21 August 1986; Madrid, ESP) (competed for East Germany); 200 m breaststroke – 1 March 1986 - 18 August 1986: 2:28.20 (1 March 1986; Leningrad, URS) (competed for East Germany); 4×100 m medley relay – 24 August 1984 - 30 July 1992: 4:03.69 (24 August 1984; Moskva, URS) (competed for East Germany) |
| Ute Geweniger | GDR |
SWM | Olympics | 1980 | 100 m breaststroke – 26 May 1980 - 23 August 1984: 1:10.20 (26 May 1980; Magdeburg, GDR), 1:10.11 (24 July 1980; Moskva, URS), 1:09.52 (9 April 1981; Gera, GDR), 1:09.39 (2 July 1981; Berlin, GDR), 1:08.60 (8 September 1981; Split, YUG), 1:08.51 (25 August 1983; Roma, ITA); 200 m medley – 4 July 1981 - 30 July 1992: 2:11.73 (4 July 1981; Magdeburg, GDR); 4×100 m medley relay – 20 July 1980 - 24 August 1984: 4:06.67 (20 July 1980; Moskva, URS), 4:05.88 (6 August 1982; Guayaquil, ECU), 4:05.79 (26 August 1983; Roma, ITA) |
| Margaret Gibson | AUS |
SWM | Olympics | 1956 | 4×100 m freestyle relay – 20 October 1956 - 6 December 1956: 4:22.3 (20 October 1956; Sydney, AUS), 4:19.7 (25 October 1956; Melbourne, AUS) |
| Irene Gilbert |  GBR |
SWM | Olympics | 1924 | 100 m breaststroke – 30 October 1924 - 4 October 1925: 1:31.8 (30 October 1924; Rotherham, GBR); 200 m breaststroke – 18 June 1923 - 5 April 1925: 3:20.4 (18 June 1923; Rotherham, GBR) |
| Dave Gillanders | USA |
SWM | Olympics | 1960 | 4×100 m medley relay – 27 August 1960 - 1 September 1960: 4:08.2 (27 August 1960; Roma, ITA) |
| Nick Gillingham | GBR |
SWM | Olympics | 1988—1996 | 200 m breaststroke – 19 August 1989 - 20 August 1989: 2:12.90 tied (19 August 1989; Bonn, FRG) |
| Doug Gjertsen | USA |
SWM | Olympics | 1988—1992 | 4×200 m freestyle relay – 21 September 1988 - 27 July 1992: 7:12.51 (21 September 1988; Seoul, KOR) |
| Harry Glancy | USA |
SWM | Olympics | 1924 | 4×200 m freestyle relay – 20 July 1924 - 4 September 1927: 9:53.4 (20 July 1924; Paris, FRA) |
| Knud Gleie |  DEN |
SWM | Olympics | 1952—1956 | 200 m breaststroke – 14 March 1952 - 10 April 1954: 2:37.4 (14 March 1952; København, DEN) |
| Barbara Göbel | GDRGER |
SWM | Olympics | 1960 | 100 m breaststroke – 1 July 1961 - 11 July 1964: 1:18.2 (1 July 1961; Rostock, GDR); 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR) |
| Brian Goodell | USA |
SWM | Olympics | 1976 | 400 m freestyle – 18 June 1976 - 6 April 1979: 3:53.08 (18 June 1976; Long Beach, USA), 3:51.93 (22 July 1976; Montréal, CAN), 3:51.56 (27 August 1978; West-Berlin, FRG); 1500 m freestyle – 21 June 1976 - 22 July 1980: 15:06.66 (21 June 1976; Long Beach, USA), 15:02.40 (20 July 1976; Montréal, CAN) |
| Christine Gosden | GBR |
SWM | Olympics | 1956—1960 | 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR) |
| Toru Goto | JPN |
SWM | Olympics | 1952 | 4×100 m freestyle relay – 6 August 1955 - 3 May 1958: 3:46.8 (6 August 1955; Tokyo, JPN) |
| Alain Gottvallès |  FRA |
SWM | Olympics | 1960—1964 | 100 m freestyle – 13 September 1964 - 27 July 1967: 52.9 (13 September 1964; Budapest, HUN); 4×100 m freestyle relay – 10 August 1962 - 4 July 1963: 3:42.5 (10 August 1962; Thionville, FRA) |
| Daniela Götz | GER |
SWM | Olympics | 2004—2008 | 4×100 m freestyle relay – 31 July 2006 - 18 March 2008: 3:35.22 (31 July 2006; Budapest, HUN) |
| Pip Gould |  NZL |
SWM | Olympics | 1956 | 100 m backstroke – 12 March 1958 - 19 April 1958: 1:12.5 (12 March 1958; Auckland, NZL); 200 m backstroke – 16 January 1957 - 17 May 1957: 2:39.9 (16 January 1957; Auckland, NZL) |
| Shane Gould | AUS |
SWM | Olympics | 1972 | 100 m freestyle – 30 April 1971 - 13 July 1973: 58.9 tied (30 April 1971; London, GBR), 58.5 (8 January 1972; Sydney, AUS); 200 m freestyle – 1 May 1971 - 22 August 1974: 2:06.5 (1 May 1971; London, GBR), 2:05.8 (26 November 1971; Sydney, AUS), 2:03.56 (1 September 1972; München, FRG); 400 m freestyle – 9 July 1971 - 22 August 1973: 4:21.2 (9 July 1971; Santa Clara, USA), 4:19.04 (30 August 1972; München, FRG); 800 m freestyle – 3 December 1971 - 6 August 1972: 8:58.1 (3 December 1971; Sydney, AUS); 1500 m freestyle – 12 December 1971 - 25 August 1973: 17:00.6 (12 December 1971; Sydney, AUS), 16:56.9 (11 February 1973; Adelaide, AUS); 200 m medley – 28 August 1972 - 13 April 1973: 2:23.07 (28 August 1972; München, FRG) |
| Cynthia Goyette | USA |
SWM | Olympics | 1964 | 4×100 m medley relay – 28 September 1964 - 30 July 1967: 4:34.6 (28 September 1964; Los Angeles, USA), 4:33.9 (18 October 1964; Tokyo, JPN) |
| Jed Graef | USA |
SWM | Olympics | 1964 | 200 m backstroke – 13 October 1964 - 29 August 1967: 2:10.3 (13 October 1964; Tokyo, JPN) |
| Horst-Günter Gregor | GDRGER |
SWM | Olympics | 1964—1968 | 4×100 m medley relay – 7 November 1967 - 26 October 1968: 3:56.5 (7 November 1967; Leipzig, GDR) (competed for East Germany) |
| Matt Grevers | USA |
SWM | Olympics | 2008—2012 | 4×100 m freestyle relay – 10 August 2008 - 11 August 2008: 3:12.23 (10 August 2008; Beijing, CHN); 4×100 m medley mixed relay – 26 July 2017 - 1 October 2020: 3:38.56 (26 July 2017; Budapest, HUN) |
| Matt Gribble | USA |
SWM | Olympics | 1984 | 100 m butterfly – 6 August 1983 - 26 June 1984: 53.44 (6 August 1983; Fresno, USA); 4×100 m medley relay – 7 August 1982 - 4 August 1984: 3:40.84 (7 August 1982; Guayaquil, ECU), 3:40.42 (22 August 1983; Caracas, VEN) |
| Judith Grinham | GBR |
SWM | Olympics | 1956 | 100 m backstroke – 5 December 1956 - 23 July 1958 - 26 July 1959: 1:12.9 (5 December 1956; Melbourne, USA), 1:11.9 (23 July 1958; Cardiff, GBR); 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR) |
| Ödön Gróf | HUN |
SWM | Olympics | 1936 | 4×100 m freestyle relay – 14 July 1938 - 20 August 1938: 4:02.0 (14 July 1938; Budapest, HUN) |
| Gérard Gropaiz | FRA |
SWM | Olympics | 1960—1964 | 4×100 m freestyle relay – 10 August 1962 - 4 July 1963: 3:42.5 (10 August 1962; Thionville, FRA) |
| Michael Groß |  FRG |
SWM | Olympics | 1984—1988 | 200 m freestyle – 21 June 1983 - 19 September 1988: 1:48.28 (21 June 1983; Hannover, FRG), 1:47.87 (22 August 1983; Roma, ITA), 1:47.55 (8 June 1984; München, FRG), 1:47.44 (29 July 1984; Los Angeles, USA); 400 m freestyle – 27 June 1985 - 25 March 1988: 3:47.80 (27 June 1985; Wuppertal, FRG); 100 m butterfly – 30 July 1984 - 23 June 1986: 53.08 (30 July 1984; Los Angeles, USA); 200 m butterfly – 26 August 1983 - 3 August 1984 and 29 June 1985 - 12 January 1991: 1:57.05 (26 August 1983; Roma, ITA), 1:57.01 (29 June 1985; Wuppertal, FRG), 1:56.65 (10 August 1985; Sofia, BUL), 1:56.24 (28 June 1986; Hannover, FRG); 4×200 m freestyle relay – 23 August 1983 - 30 July 1984 and 19 August 1987 - 21 September 1988: 7:20.40 (23 August 1983; Roma, ITA), 7:13.10 (19 August 1987; Strasbourg, FRA) |
| Irene Guest | USA |
SWM | Olympics | 1920 | 4×100 m freestyle relay – 29 August 1920 - 20 July 1924: 5:11.6 (29 August 1920; Antwerpen, BEL) |
| Linda Gustavson | USA |
SWM | Olympics | 1968 | 200 m freestyle – 24 August 1968 - 24 August 1968: 2:07.9 (24 August 1968; Los Angeles, USA); 4×100 m freestyle relay – 19 August 1967 - 11 September 1970: 4:03.5 (19 August 1967; Philadelphia, USA), 4:01.1 (6 July 1968; Santa Clara, USA) |
| Claire Guttenstein | BEL |
SWM | Olympics | 1912 | 100 m freestyle – 2 October 1910 - 29 September 1911: 1:26.6 (2 October 1910; Schaerbeek, BEL) |
| Károly Güttler | HUN |
SWM | Olympics | 1988—2000 | 100 m breaststroke – 3 August 1993 - 20 July 1996: 1:00.95 (3 August 1993; Sheffield, GBR) |
| James Guy | GBR |
SWM | Olympics | 2016—2020 | 4×100 m medley mixed relay – 31 July 2021 - present: 3:38.41 (31 July 2021; Tokyo, JPN) |
| Andrea Gyarmati | HUN |
SWM | Olympics | 1968—1972 | 100 m butterfly – 31 August 1972 - 1 September 1972: 1:03.80 (31 August 1972; München, FRG) |
| Valéria Gyenge | HUN |
SWM | Olympics | 1952—1956 | 800 m freestyle – 28 June 1953 - 14 January 1956: 10:42.4 (28 June 1953; Budapest, HUN); 4×100 m medley relay – 24 July 1953 - 3 August 1954: 5:10.8 (24 July 1953; Budapest, HUN), 5:09.2 (10 August 1953; Bucharest, ROU) |
| Dániel Gyurta | HUN |
SWM | Olympics / Administrator | 2004—2016 | 200 m breaststroke – 1 August 2012 - 15 September 2012: 2:07.28 (1 August 2012; London, GBR) |
| Ada den Haan | NED |
SWM | Olympics | 1960 | 200 m breaststroke – 13 November 1956 - 25 July 1959: 2:46.4 (13 November 1956; Naarden, NED), 2:52.6 (18 May 1957; Blackpool, GBR), 2:51.9 (3 August 1957; Rhenen, NED), 2:51.3 (4 August 1957; Rhenen, NED); 4×100 m medley relay – 8 December 1956 - 25 July 1958 and 5 September 1958 - 6 September 1959: 4:53.1 (8 December 1956; Zwolle, NED), 4:57.0 (18 May 1957; Blackpool, GBR), 4:52.9 (5 September 1958; Budapest, HUN), 4:51.5 (26 July 1959; Waalwijk, NED) |
| Bobby Hackett | USA |
SWM | Olympics | 1976 | 800 m freestyle – 21 June 1976 - 23 March 1979: 8:01.54 (21 June 1976; Long Beach, USA); 4×200 m freestyle relay – 24 August 1978 - 23 August 1983: 7:20.82 (24 August 1978; West-Berlin, FRG) |
| Grant Hackett | AUS |
SWM | Olympics | 2000—2008 | 200 m freestyle – 23 March 1999 - 23 August 1999: 1:46.67 (23 March 1999; Brisbane, AUS); 800 m freestyle – 27 July 2005 - 29 July 2009: 7:38.65 (27 July 2005; Montréal, CAN); 1500 m freestyle – 29 July 2001 - 31 July 2011: 14:34.56 (29 July 2001; Fukuoka, JPN); 4×200 m freestyle relay – 25 August 1999 - 19 September 2000 and 27 July 2001 - 30 March 2007: 7:08.79 (25 August 1999; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN) |
| Nicole Haislett | USA |
SWM | Olympics | 1992 | 4×100 m freestyle relay – 28 July 1992 - 7 September 1994: 3:39.46 (28 July 1992; Barcelona, ESP) |
| Paul Hait | USA |
SWM | Olympics | 1960 | 4×100 m medley relay – 27 August 1960 - 20 August 1961: 4:08.2 (27 August 1960; Roma, ITA), 4:05.4 (1 September 1960; Roma, ITA) |
| Gary Hall | USA |
SWM | Olympics / Other | 1968—1976 | 200 m backstroke – 14 August 1969 - 29 August 1969: 2:06.6 (14 August 1969; Louisville, USA): 200 m butterfly – 22 August 1970 - 27 August 1971: 2:05.0 (22 August 1970; Los Angeles, USA); 200 m medley – 17 August 1969 - 12 September 1970 and 2 August 1972 - 3 September 1972: 2:09.6 (17 August 1969; Louisville, USA), 2:09.5 (23 August 1970; Los Angeles, USA), 2:09.30 tied (2 August 1972; Chicago, USA); 400 m medley – 20 July 1968 - 30 August 1968 and 11 July 1969 - 20 August 1974: 4:43.4 (20 July 1968; Los Angeles, USA), 4:38.7 (11 July 1969; Santa Clara, USA), 4:33.9 (15 August 1969; Louisville, USA), 4:31.0 (21 August 1970; Los Angeles, USA), 4:30.81 (3 August 1972; Chicago, USA); 4×200 m freestyle relay – 28 August 1970 - 9 August 1971: 7:48.0 (28 August 1970; Tokyo, JPN) |
| Gary Hall, Jr. | USA |
SWM | Olympics | 1996—2004 | 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA); 4×100 m medley relay – 26 July 1996 - 29 August 2002: 3:34.84 (26 July 1996; Atlanta, USA), 3:33.73 (23 September 2000; Sydney, AUS) |
| Kaye Hall | USA |
SWM | Olympics | 1968 | 100 m backstroke – 23 October 1968 - 6 July 1969: 1:06.2 (23 October 1968; Ciudad de México, MEX); 4×100 m medley relay – 14 September 1968 - 1 September 1970: 4:28.1 (14 September 1968; Colorado Springs, USA) |
| Zoltán Halmay | HUN |
SWM | Olympics / 1906 | 1900—1908 | 100 m freestyle – 3 December 1905 - 20 July 1908: 1:05.8 (3 December 1905; Wien, AUT) |
| Fran Halsall | GBR |
SWM | Olympics | 2008—2016 | 4×100 m medley mixed relay – 19 August 2014 - 26 July 2017: 3:44.02 (19 August 2014; Berlin, GER), 3:41.71 (5 August 2015; Kazan, RUS) |
| Yoshihiro Hamaguchi | JPN |
SWM | Olympics | 1952 | 4×200 m freestyle relay – 18 August 1949 - 24 February 1950 and 2 April 1950 - 2 August 1951: 8:45.4 (18 August 1949; Los Angeles, USA), 8:40.6 (2 April 1950; Marília, BRA) |
| Dick Hanley | USA |
SWM | Olympics | 1956 | 200 m freestyle – 8 March 1957 - 18 January 1958: 2:01.5 (8 March 1957; Minneapolis, USA) |
| Brendan Hansen | USA |
SWM | Olympics | 2004—2012 | 100 m breaststroke – 8 July 2004 - 11 August 2008: 59.30 (8 July 2004; Long Beach, USA), 59.13 (1 August 2006; Irvine, USA); 200 m breaststroke – 11 July 2004 - 8 June 2008: 2:09.04 (11 July 2004; Long Beach, USA), 2:08.74 (5 August 2006; Irvine, USA), 2:08.50 (21 August 2006; Victoria, CAN); 4×100 m medley relay – 29 August 2002 - 2 August 2009: 3:33.48 (29 August 2002; Yokohama, JPN), 3:31.54 (27 July 2003; Barcelona, ESP), 3:30.68 (21 August 2004; Athina, GRE), 3:29.34 (17 August 2008; Beijing, CHN) |
| Phyllis Harding | GBR |
SWM | Olympics | 1924—1936 | 100 m backstroke – 30 May 1932 - 16 July 1932: 1:18.6 (30 May 1932; Wallasey, GBR); 200 m backstroke – 19 September 1932 - 20 January 1935: 2:50.4 (19 September 1932; Wallasey, GBR) |
| Harold Hardwick |  ANZAUS |
SWM | Olympics | 1912 | 4×200 m freestyle relay – 12 July 1912 - 29 August 1920: 10:14.0 (12 July 1912; Stockholm, SWE), 10:11.6 (15 July 1912; Stockholm, SWE) |
| Jessica Hardy | USA |
SWM | Olympics | 2012 | 50 m breaststroke – 6 August 2009 - 3 August 2013: 29.95 (6 August 2009; Federal Way, USA), 29.80 (7 August 2009; Federal Way, USA); 100 m breaststroke – 25 July 2005 - 3 February 2006 and 7 August 2009 - 29 July 2013: 1:06.20 (25 July 2005; Montréal, CAN), 1:04.45 (7 August 2009; Washington, USA) |
| András Hargitay | HUN |
SWM | Olympics | 1972—1980 | 400 m medley – 20 August 1974 - 2 April 1976: 4:28.89 (20 August 1974; Wien, AUT) |
| Meg Harris | AUS |
SWM | Olympics | 2020 | 4×100 m freestyle relay – 25 July 2021 - present: 3:29.69 (25 July 2021; Tokyo, JPN), 3:27.96 (23 July 2023; Fukuoka, JPN) |
| George Harrison | USA |
SWM | Olympics / Non-starter | 1956—1960 | 200 m medley – 24 August 1956 - 19 July 1958: 2:30.7 (24 August 1956; Los Angeles, USA); 400 m medley – 24 June 1960 - 22 July 1960: 5:07.8 (24 June 1960; Los Angeles, USA), 5:05.3 (24 June 1960; Los Angeles, USA); 4×200 m freestyle relay – 1 September 1960 - 21 April 1963: 8:10.2 (1 September 1960; Roma, ITA) |
| Jo Harshbarger | USA |
SWM | Olympics | 1972 | 800 m freestyle – 6 August 1972 - 3 September 1972 and 25 August 1974 - 31 March 1975: 8:53.83 (6 August 1972; Chicago, USA), 8:47.66 (25 August 1974; Concord, USA), 8:47.59 (31 August 1974; Concord, USA); 1500 m freestyle – 25 August 1973 - 9 December 1973: 16:54.14 (25 August 1973; Louisville, USA) |
| Keiji Hase | JPN |
SWM | Olympics | 1956 | 4×100 m medley relay – 28 May 1958 - 29 June 1958: 4:17.2 (28 May 1958; Tokyo, JPN) |
| Shiro Hashizume | JPN |
SWM | Olympics | 1952 | 800 m freestyle – 16 August 1949 - 16 August 1949: 9:45.0 (16 August 1949; Los Angeles, USA); 1500 m freestyle – 16 August 1949 - 16 August 1949: 18:35.7 (16 August 1949; Los Angeles, USA); 4×200 m freestyle relay – 2 April 1950 - 2 August 1951: 8:40.6 (2 April 1950; Marília, BRA) |
| Jack Hatfield | GBR |
SWM/WPO | Olympics | 1912—1928 | 400 m freestyle – 26 September 1912 - 9 October 1919: 5:21.6 (26 September 1912; London, GBR) |
| Bruce Hayes | USA |
SWM | Olympics | 1984 | 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:18.87 (30 July 1984; Los Angeles, USA), 7:15.69 (30 July 1984; Los Angeles, USA) |
| Brita Hazelius |  SWE |
SWM | Olympics | 1928 | 200 m breaststroke – 11 August 1926 - 24 October 1926: 3:19.1 (11 August 1926; Stockholm, SWE) |
| He Cihong |  CHN |
SWM | Olympics | 1992—1996 | 100 m backstroke – 10 September 1994 - 13 August 2002: 1:00.16 (10 September 1994; Roma, ITA); 4×100 m medley relay – 10 September 1994 - 23 September 2000: 4:01.67 (10 September 1994; Roma, ITA) |
| Cecil Healy | ANZAUS |
SWM | Olympics / 1906 | 1906—1912 | 4×200 m freestyle relay – 12 July 1912 - 29 August 1920: 10:14.0 (12 July 1912; Stockholm, SWE), 10:11.6 (15 July 1912; Stockholm, SWE) |
| Mike Heath | USA |
SWM | Olympics | 1984 | 4×100 m freestyle relay – 2 August 1984 - 23 September 1988: 3:19.03 (2 August 1984; Los Angeles, USA), 3:17.08 (17 August 1985; Tokyo, JPN); 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:15.69 (30 July 1984; Los Angeles, USA) |
| Harry Hebner | USA |
SWM/WPO | Olympics | 1908—1920 | 4×200 m freestyle relay – 12 July 1912 - 12 July 1912: 10:26.4 (12 July 1912; Stockholm, SWE) |
| Kathy Heddy | USA |
SWM | Olympics | 1976 | 4×100 m freestyle relay – 31 August 1974 - 26 July 1975: 3:51.99 (31 August 1974; Concord, USA) |
| Femke Heemskerk | NED |
SWM | Olympics | 2008—2020 | 4×100 m freestyle relay – 18 March 2008 - 24 July 2014: 3:33.62 (18 March 2008; Eindhoven, NED), 3:31.72 (26 July 2009; Roma, ITA) |
| Marianne Heemskerk | NED |
SWM | Olympics | 1960—1964 | 200 m butterfly – 12 June 1960 - 13 August 1961: 2:34.4 (12 June 1960; Leipzig, GDR) |
| Hermann Heibel | GER |
SWM | Olympics | 1936 | 4×100 m freestyle relay – 5 March 1938 - 1 April 1938: 4:03.6 (5 March 1938; Bremen, GER) |
| Jerry Heidenreich | USA |
SWM | Olympics | 1972 | 4×100 m freestyle relay – 28 August 1972 - 1 September 1974: 3:28.84 (28 August 1972; München, FRG), 3:26.42 (28 August 1972; München, FRG); 4×200 m freestyle relay – 9 August 1971 - 31 August 1972: 7:45.8 (9 August 1971; Cali, COL), 7:43.3 (10 September 1971; Minsk, URS); 4×100 m medley relay – 3 September 1971 - 22 July 1976: 3:50.4 (3 September 1971; Leipzig, GDR), 3:48.16 (4 September 1972; München, FRG) |
| Irma Heijting-Schuhmacher | NED |
SWM | Olympics | 1948—1952 | 3×100 m medley relay – 2 December 1950 - 31 December 1952: 3:35.9 (2 December 1950; Rotterdam, NED) |
| Herbert Heinrich | GER |
SWM | Olympics | 1928 | 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA) |
| August Heitmann | GER |
SWM | Olympics | 1928 | 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA) |
| Claudia Hempel | GDR |
SWM | Olympics | 1976 | 4×100 m freestyle relay – 26 July 1975 - 2 June 1976: 3:49.37 (26 July 1975; Cali, COL) |
| John Hencken | USA |
SWM | Olympics | 1972—1976 | 100 m breaststroke – 29 August 1972 - 29 August 1972 and 4 September 1973 - 18 August 1977: 1:05.68 (29 August 1972; München, FRG), 1:04.35 (4 September 1973; Beograd, YUG), 1:04.02 (4 September 1973; Beograd, YUG), 1:03.88 tied (31 August 1974; Concord, USA), 1:03.88 (19 July 1976; Montréal, CAN), 1:03.62 (19 July 1976; Montréal, CAN), 1:03.11 (20 July 1976; Montréal, CAN); 200 m breaststroke – 5 August 1972 - 6 September 1973 and 24 August 1974 - 24 July 1976: 2:22.79 (5 August 1972; Chicago, USA), 2:21.55 (2 September 1972; München, FRG), 2:20.52 (24 August 1973; Louisville, USA), 2:18.93 (24 August 1974; Concord, USA), 2:18.21 (1 September 1974; Concord, USA); 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN) |
| Mark Henderson | USA |
SWM | Olympics | 1996 | 4×100 m medley relay – 26 July 1996 - 23 September 2000: 3:34.84 (26 July 1996; Atlanta, USA) |
| Rainer Henkel | FRG |
SWM | Olympics | 1984—1988 | 4×200 m freestyle relay – 19 August 1987 - 21 September 1988: 7:13.10 (19 August 1987; Strasbourg, FRA) |
| Jan Henne | USA |
SWM | Olympics | 1968 | 4×100 m freestyle relay – 6 July 1968 - 11 September 1970: 4:01.1 (6 July 1968; Santa Clara, USA) |
| Egon Henninger | GDRGER |
SWM | Olympics | 1960—1968 | 4×100 m medley relay – 7 November 1967 - 26 October 1968: 3:56.5 (7 November 1967; Leipzig, GDR) (competed for East Germany) |
| Jon Henricks | AUS |
SWM | Olympics | 1956—1960 | 100 m freestyle – 30 November 1956 - 19 January 1957: 55.4 (30 November 1956; Melbourne, AUS); 4×200 m freestyle relay – 3 December 1956 - 22 July 1959 and 6 August 1960 - 1 September 1960: 8:23.6 (3 December 1956; Melbourne, AUS), 8:16.6 (6 August 1960; Townsville, AUS) |
| Jodie Henry | AUS |
SWM | Olympics | 2004 | 100 m freestyle – 18 August 2004 - 31 January 2006: 53.52 (18 August 2004; Athina, GRE); 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE); 4×100 m medley relay – 21 August 2004 - 21 March 2006: 3:57.32 (21 August 2004; Athina, GRE) |
| Gerhard Hetz | GERFRG |
SWM | Olympics | 1960—1964 | 400 m medley – 24 May 1962 - 30 June 1962 and 12 October 1963 - 31 July 1964: 4:53.8 (24 May 1962; Moskva, URS) (competed for West Germany), 4:50.2 (12 October 1963; Tokyo, JPN) (competed for West Germany) |
| Penny Heyns |  RSA |
SWM | Olympics | 1992—2000 | 50 m breaststroke – 29 August 1999 - 30 July 2002: 30.83 (29 August 1999; Sydney, AUS); 100 m breaststroke – 4 March 1996 - 21 July 2003: 1:07.46 (4 March 1996; Durban, RSA), 1:07.02 (21 July 1996; Atlanta, USA), 1:06.99 (18 July 1999; Los Angeles, USA), 1:06.95 (18 July 1999; Los Angeles, USA), 1:06.52 (23 August 1999; Sydney, AUS); 200 m breaststroke – 17 July 1999 - 10 July 2004: 2:24.69 (17 July 1999; Los Angeles, USA), 2:24.51 (17 July 1999; Los Angeles, USA), 2:24.42 (26 August 1999; Sydney, AUS), 2:23.64 (27 August 1999; Sydney, AUS) |
| Charlie Hickcox | USA |
SWM | Olympics | 1968 | 100 m backstroke – 28 August 1967 - 21 September 1967: 59.3 (28 August 1967; Tokyo, JPN), 59.1 (31 August 1967; Tokyo, JPN); 200 m backstroke – 29 August 1967 - 8 November 1967: 2:09.4 (29 August 1967; Tokyo, JPN); 200 m medley – 31 August 1968 - 17 August 1969: 2:10.6 (31 August 1968; Los Angeles, USA); 400 m medley – 30 August 1968 - 11 July 1969: 4:43.3 (30 August 1968; Long Beach, USA), 4:39.0 (30 August 1968; Long Beach, USA); 4×100 m medley relay – 31 August 1967 - 7 November 1967 and 26 October 1968 - 8 September 1970: 3:57.2 (31 August 1967; Tokyo, JPN), 3:54.9 (26 October 1968; Ciudad de México, MEX) |
| Herbert Higgins | USA |
SWM | Olympics | 1936 | 100 m breaststroke – 22 February 1935 - 6 August 1937: 1:10.8 (22 February 1935; New Haven, USA), 1:10.0 (3 March 1936; New Haven, USA) |
| Allison Higson | CAN |
SWM | Olympics | 1988—1992 | 200 m breaststroke – 28 May 1988 - 21 September 1988: 2:27.27 (28 May 1988; Montréal, CAN) |
| Margery Hinton | GBR |
SWM | Olympics | 1928—1936 | 200 m breaststroke – 20 July 1931 - 18 January 1932: 3:10.6 (20 July 1931; Manchester, GBR) |
| George Hodgson | CAN |
SWM | Olympics | 1912—1920 | 400 m freestyle – 14 July 1912 - 26 September 1912: 5:24.4 (14 July 1912; Stockholm, SWE); 1500 m freestyle – 10 July 1912 - 8 July 1923: 22:00.0 (10 July 1912; Stockholm, SWE) |
| Margaret Hoelzer | USA |
SWM | Olympics | 2004—2008 | 200 m backstroke – 5 July 2008 - 16 August 2008: 2:06.09 (5 July 2008; Omaha, USA) |
| Katie Hoff | USA |
SWM | Olympics | 2004—2008 | 400 m medley – 1 April 2007 - 22 March 2008 and 29 June 2008 - 10 August 2008: 4:32.89 (1 April 2007; Melbourne, AUS), 4:31.12 (29 June 2008; Omaha, USA); 4×200 m freestyle relay – 29 March 2007 - 14 August 2008: 7:50.09 (29 March 2007; Melbourne, AUS) |
| Jörg Hoffmann | GDRGER |
SWM | Olympics | 1988—1996 | 1500 m freestyle – 13 January 1991 - 5 April 1992: 14:50.36 (13 January 1991; Perth, AUS) (competed for Germany) |
| Steve Holland | AUS |
SWM | Olympics | 1976 | 800 m freestyle – 5 August 1973 - 21 June 1975 and 27 February 1976 - 21 June 1976: 8:17.60 (5 August 1973; Brisbane, AUS), 8:16.27 (8 September 1973; Beograd, YUG), 8:15.88 (1 January 1974; Christchurch, NZL), 8:15.2 (17 January 1975; Brisbane, AUS), 8:15.02 (25 January 1975; Christchurch, NZL), 8:06.27 (27 February 1976; Sydney, AUS), 8:02.91 (29 February 1976; Sydney, AUS); 1500 m freestyle – 5 August 1973 - 25 August 1974, 25 January 1975 - 21 June 1975, and 27 February 1976 - 21 June 1976: 15:37.80 (5 August 1973; Brisbane, AUS), 15:31.85 (8 September 1973; Beograd, YUG), 15:27.79 (25 January 1975; Christchurch, NZL), 15:10.89 (27 February 1976; Sydney, AUS) |
| Eleanor Holm | USA |
SWM | Olympics | 1928—1932 | 100 m backstroke – 16 July 1932 - 25 November 1934 and 15 January 1935 - 27 February 1936: 1:18.2 (16 July 1932; Jones Beach, USA), 1:16.3 (15 January 1935; Chicago, USA); 200 m backstroke – 1 February 1930 - 19 September 1932 and 3 March 1936 - 2 February 1937: 2:58.8 (1 February 1930; Buffalo, USA), 2:58.2 (1 March 1930; New York City, USA), 2:48.7 (3 March 1936; Toledo, USA) |
| Fred Holman | GBR |
SWM | Olympics | 1908 | 200 m breaststroke – 18 July 1908 - 18 April 1909: 3:09.2 (18 July 1908; London, GBR) |
| Hanni Hölzner | GER |
SWM | Olympics | 1936 | 100 m breaststroke – 15 January 1935 - 8 March 1936 and 13 March 1936 - 9 May 1943: 1:24.5 (15 January 1935; København, DEN), 1:23.4 (16 February 1936; Halle, GER), 1:20.2 (13 March 1936; Plauen, GER) |
| Pieter van den Hoogenband | NED |
SWM | Olympics | 1996—2008 | 100 m freestyle – 19 September 2000 - 21 March 2008: 47.84 (19 September 2000; Sydney, AUS); 200 m freestyle – 17 September 2000 - 27 March 2001: 1:45.35 (17 September 2000; Sydney, AUS), 1:45.35 tied (18 September 2000; Sydney, AUS) |
| Anna Hopkin | GBR |
SWM | Olympics | 2020 | 4×100 m medley mixed relay – 31 July 2021 - present: 3:38.41 (31 July 2021; Tokyo, JPN) |
| Silke Hörner | GDR |
SWM | Olympics | 1988 | 100 m breaststroke – 21 August 1987 - 9 September 1994: 1:07.91 (21 August 1987; Strasbourg, FRA); 200 m breaststroke – 5 June 1985 - 1 March 1986, 18 August 1986 - 28 May 1988, and 21 September 1988 - 2 March 1992: 2:28.33 (5 June 1985; Leipzig, GDR), 2:27.40 (18 August 1986; Madrid, ESP), 2:26.71 (21 September 1988; Seoul, KOR) |
| Katinka Hosszú | HUN |
SWM | Olympics / Other | 2004—2020 | 200 m medley – 3 August 2015 - present: 2:06.12 (3 August 2015; Kazan, RUS); 400 m medley – 6 August 2016 - 1 April 2023: 4:26.36 (6 August 2016; Rio de Janeiro, BRA) |
| Carolyn House | USA |
SWM | Olympics | 1960 | 800 m freestyle – 26 August 1962 - 30 July 1964: 9:51.6 (26 August 1962; Los Altos, USA); 1500 m freestyle – 16 August 1962 - 30 July 1964: 18:44.0 (16 August 1962; Chicago, USA) |
| Andriy Hovorov |  UKR |
SWM | Olympics / YOG | 2010—2016 | 50 m butterfly – 1 July 2018 - present: 22.27 (1 July 2018; Roma, ITA) |
| Joe Hudepohl | USA |
SWM | Olympics | 1992—1996 | 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA) |
| Geoff Huegill | AUS |
SWM | Olympics | 2000—2004 | 50 m butterfly – 14 May 2000 - 21 July 2003: 23.60 (14 May 2000; Sydney, AUS), 23.44 (27 July 2001; Fukuoka, JPN) |
| Sarina Hülsenbeck | GDR |
SWM | Olympics | 1980 | 4×100 m freestyle relay – 27 July 1980 - 21 August 1984: 3:42.71 (27 July 1980; Moskva, URS) |
| Magdolna Hunyadfy | HUN |
SWM | Olympics | 1952 | 4×100 m medley relay – 24 July 1953 - 3 August 1954: 5:10.8 (24 July 1953; Budapest, HUN), 5:09.2 (10 August 1953; Bucharest, ROU) |
| Ken Huszagh | USA |
SWM | Olympics | 1912 | 4×200 m freestyle relay – 12 July 1912 - 12 July 1912: 10:26.4 (12 July 1912; Stockholm, SWE) |
| Ralph Hutton | CAN |
SWM | Olympics / Other | 1964—1972 | 400 m freestyle – 1 August 1968 - 14 August 1969: 4:06.5 (1 August 1968; Lincoln, USA) |
| Ragnhild Hveger | DEN |
SWM | Olympics | 1936—1952 | 200 m freestyle – 11 September 1938 - 25 February 1956: 2:21.7 (11 September 1938; Aarhus, DEN); 400 m freestyle – 10 February 1937 - 25 August 1956: 5:14.2 (10 February 1937; København, DEN), 5:14.0 (3 October 1937; Ghent, BEL), 5:12.4 (14 November 1937; Magdeburg, GER), 5:11.0 (12 December 1937; København, DEN), 5:08.2 (16 January 1938; København, DEN), 5:06.1 (1 August 1938; København, DEN), 5:05.4 (8 September 1940; Svendborg, DEN), 5:00.1 (15 September 1940; København, DEN); 800 m freestyle – 3 July 1936 - 28 June 1953: 11:11.7 (3 July 1936; København, DEN), 10:52.5 (13 August 1941; København, DEN); 1500 m freestyle – 3 July 1938 - 23 July 1955: 21:45.7 (3 July 1938; Helsinki, FIN), 21:10.1 (11 August 1940; Helsinki, FIN), 20:57.0 (20 August 1941; København, DEN); 200 m backstroke – 14 February 1937 - 17 April 1938: 2:41.3 (14 February 1937; Århus, DEN); 4×100 m freestyle relay – 8 February 1938 - 27 April 1952: 4:29.7 (8 February 1938; København, DEN), 4:27.6 (7 August 1938; København, DEN) |
| Gary Ilman | USA |
SWM | Olympics | 1964 | 4×100 m freestyle relay – 18 August 1963 - 28 August 1967: 3:36.1 (18 August 1963; Tokyo, JPN), 3:33.2 (14 October 1964; Tokyo, JPN); 4×200 m freestyle relay – 18 October 1964 - 24 July 1970: 7:52.1 (18 October 1964; Tokyo, JPN) |
| Toshio Irie | JPN |
SWM | Olympics | 1928—1932 | 200 m backstroke – 14 October 1928 - 16 June 1930: 2:37.8 (14 October 1928; Tamagawa, JPN) |
| Katsuki Ishihara | JPN |
SWM | Olympics | 1960—1964 | 4×100 m medley relay – 7 September 1957 - 28 May 1958: 4:17.8 (7 September 1957; Tokyo, JPN) |
| Takashi Ishimoto | JPN |
SWM | Olympics | 1956 | 100 m butterfly – 16 June 1957 - 26 June 1960: 1:01.5 (16 June 1957; Kurume, JPN), 1:01.3 (7 July 1957; Tokyo, JPN), 1:01.2 (6 September 1957; Kurume, JPN), 1:01.1 (29 June 1958; Los Angeles, USA), 1:01.0 (14 September 1958; Kochi, JPN); 200 m butterfly – 1 October 1955 - 14 March 1956: 2:20.8 (1 October 1955; Tokyo, JPN); 4×100 m medley relay – 7 September 1957 - 25 July 1958: 4:17.8 (7 September 1957; Tokyo, JPN), 4:17.2 (28 May 1958; Tokyo, JPN) |
| Vasily Ivanov |  RUS EUN |
SWM | Olympics | 1992 | 100 m breaststroke – 11 June 1991 - 20 August 1991: 1:01.45 tied (11 June 1991; Moskva, URS) (competed for the Soviet Union) |
| Jo Jackson | GBR |
SWM | Olympics | 2004—2012 | 400 m freestyle – 16 March 2009 - 27 June 2009: 4:00.66 (16 March 2009; Sheffield, GBR) |
| Chris Jacobs | USA |
SWM | Olympics | 1988 | 4×100 m freestyle relay – 23 September 1988 - 12 August 1995: 3:16.53 (23 September 1988; Seoul, KOR); 4×100 m medley relay – 25 September 1988 - 26 July 1996: 3:36.93 (25 September 1988; Seoul, KOR) |
| Else Jacobsen | DEN |
SWM | Olympics | 1928—1932 | 100 m breaststroke – 10 April 1932 - 14 February 1933: 1:26.2 (10 April 1932; København, DEN), 1:26.0 (11 May 1932; Stockholm, SWE); 200 m breaststroke – 20 August 1927 - 15 April 1928 and 11 May 1932 - 30 September 1933: 3:16.6 (20 August 1927; Oslo, NOR), 3:03.4 (11 May 1932; Stockholm, SWE) |
| Tom Jager | USA |
SWM | Olympics | 1984—1992 | 50 m freestyle – 13 August 1987 - 24 September 1988 and 20 August 1989 - 1 June 2000: 22.32 (13 August 1987; Brisbane, AUS), 22.23 (25 March 1988; Orlando, USA), 22.12 (20 August 1989; Tokyo, JPN), 21.98 (24 March 1990; Nashville, USA), 21.81 (24 March 1990; Nashville, USA); 4×100 m freestyle relay – 23 September 1988 - 12 August 1995: 3:16.53 (23 September 1988; Seoul, KOR) |
| Hilda James | GBR |
SWM | Olympics | 1920 | 400 m freestyle – 29 July 1921 - 4 August 1922: 6:16.6 (29 July 1921; Leeds, GBR) |
| Alex Jany | FRA |
SWM/WPO | Olympics | 1948—1960 | 100 m freestyle – 15 September 1947 - 29 June 1948: 55.8 (15 September 1947; Menton, FRA); 200 m freestyle – 20 September 1946 - 31 March 1950: 2:05.4 (20 September 1946; Marseille, FRA); 400 m freestyle – 12 September 1947 - 24 July 1949: 4:35.2 (12 September 1947; Monte Carlo, MON); 4×200 m freestyle relay – 2 August 1951 - 16 February 1952: 8:33.0 (2 August 1951; Marseille, FRA); 3×100 m medley relay – 8 August 1946 - 13 May 1951 and 25 March 1952 - 31 December 1952: 3:16.9 (8 August 1946; Toulouse, FRA), 3:12.3 (16 September 1946; Marseille, FRA); 3:09.6 (25 March 1952; Troyes, FRA); 4×100 m medley relay – 22 March 1953 - 1 April 1953: 4:32.2 (22 March 1953; Charleroi, BEL) |
| Chet Jastremski | USA |
SWM | Olympics | 1964—1968 | 100 m breaststroke – 2 July 1961 - 5 July 1961 and 28 July 1961 - 26 March 1964: 1:11.1 (2 July 1961; Chicago, USA), 1:10.7 (28 July 1961; Tokyo, JPN), 1:10.0 (30 July 1961; Tokyo, JPN), 1:09.5 (3 August 1961; Osaka, JPN), 1:07.8 (20 August 1961; Los Angeles, USA), 1:07.5 (20 August 1961; Los Angeles, USA); 200 m breaststroke – 28 July 1961 - 15 October 1964: 2:33.6 (28 July 1961; Tokyo, JPN), 2:29.6 (19 August 1961; Los Angeles, USA), 2:28.2 (30 August 1964; New York City, USA); 4×100 m medley relay – 24 July 1960 - 27 August 1960 and 20 August 1961 - 24 August 1963: 4:09.2 (24 July 1960; Toledo, USA), 4:03.0 (20 August 1961; Los Angeles, USA), 4:01.6 (12 August 1962; Cuyahoga Falls, USA) |
| Otylia Jędrzejczak |  POL |
SWM | Olympics | 2000—2012 | 200 m butterfly – 4 August 2002 - 17 August 2006: 2:05.78 (4 August 2002; Berlin, GER), 2:05.61 (28 July 2005; Montréal, CAN) |
| Linda Jezek | USA |
SWM | Olympics | 1976 | 200 m backstroke – 28 August 1978 - 27 July 1980: 2:11.93 (28 August 1978; West-Berlin, FRG) |
| Jiao Liuyang | CHN |
SWM | Olympics | 2008—2012 | 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA) |
| Brian Job | USA |
SWM | Olympics | 1968—1972 | 200 m breaststroke – 22 August 1970 - 5 August 1972: 2:23.5 (22 August 1970; Los Angeles, USA) |
| Helen Johns | USA |
SWM | Olympics | 1932 | 4×100 m freestyle relay – 12 August 1932 - 14 April 1934: 4:38.0 (12 August 1932; Los Angeles, USA) |
| Pierre Joly | FRA |
SWM | Olympics | 1952 | 4×100 m medley relay – 22 March 1953 - 17 April 1953: 4:32.2 (22 March 1953; Charleroi, BEL), 4:31.5 (1 April 1953; Troyes, FRA) |
| Cullen Jones | USA |
SWM | Olympics | 2008—2012 | 4×100 m freestyle relay – 19 August 2006 - 26 September 2013: 3:12.46 (19 August 2006; Victoria, CAN), 3:12.23 (10 August 2008; Beijing, CHN), 3:08.24 (11 August 2008; Beijing, CHN) |
| Leisel Jones | AUS |
SWM | Olympics | 2000—2012 | 100 m breaststroke – 21 July 2003 - 25 July 2005 and 3 February 2006 - 27 July 2009: 1:06.37 (21 July 2003; Barcelona, ESP), 1:05.71 (3 February 2006; Melbourne, AUS), 1:05.09 (20 March 2006; Melbourne, AUS); 200 m breaststroke – 10 July 2004 - 12 July 2004 and 29 July 2005 - 15 August 2008: 2:22.96 (10 July 2004; Brisbane, AUS), 2:21.72 (29 July 2005; Montréal, CAN), 2:20.54 (1 February 2006; Melbourne, AUS); 4×100 m medley relay – 21 August 2004 - 1 August 2009: 3:57.32 (21 August 2004; Athina, GRE), 3:56.30 (21 March 2006; Melbourne, AUS), 3:55.74 (31 March 2007; Melbourne, AUS), 3:52.69 (17 August 2008; Beijing, CHN) |
| Lina Kačiušytė |  LTU URS |
SWM | Olympics | 1980 | 200 m breaststroke – 24 August 1978 - 30 March 1979 and 6 April 1979 - 5 June 1985: 2:33.11 (24 August 1978; West-Berlin, FRG), 2:31.42 (24 August 1978; West-Berlin, FRG), 2:28.36 (6 April 1979; Potsdam, GDR) |
| Duke Kahanamoku | USA |
SWM/WPO | Olympics | 1912—1924 | 100 m freestyle – 20 July 1912 - 19 July 1922: 1:01.6 (20 July 1912; Hamburg, GER), 1:01.4 (9 August 1918; New York City, USA), 1:00.4 (24 August 1920; Antwerpen, BEL); 4×200 m freestyle relay – 12 July 1912 - 12 July 1912 and 29 August 1920 - 20 July 1924: 10:26.4 (12 July 1912; Stockholm, SWE), 10:04.4 (29 August 1920; Antwerpen, BEL) |
| Anna-Karin Kammerling | SWE |
SWM | Olympics | 2000—2008 | 50 m butterfly – 1 July 1999 - 20 May 2000 and 30 July 2002 - 13 June 2007: 26.39 (1 July 1999; Halmstad, SWE), 26.29 (27 July 1999; İstanbul, TUR), 25.57 (30 July 2002; Berlin, GER) |
| Jack Kasley | USA |
SWM | Olympics | 1936 | 200 m breaststroke – 28 March 1936 - 6 July 1941: 2:37.2 (28 March 1936; New Haven, USA) |
| Klaus Katzur | GDRGER |
SWM | Olympics | 1964—1972 | 4×100 m medley relay – 8 September 1970 - 3 September 1971: 3:54.4 (8 September 1970; Barcelona, ESP) (competed for East Germany) |
| Pua Kele Kealoha | USA |
SWM | Olympics | 1920 | 4×200 m freestyle relay – 29 August 1920 - 20 July 1924: 10:04.4 (29 August 1920; Antwerpen, BEL) |
| Warren Kealoha | USA |
SWM | Olympics | 1920—1924 | 100 m backstroke – 22 August 1920 - 20 June 1926: 1:14.8 (22 August 1920; Antwerpen, BEL), 1:12.6 (17 October 1922; Honolulu, USA), 1:12.4 (13 April 1924; Honolulu, USA), 1:11.4 (19 June 1926; Honolulu, USA) |
| Klete Keller | USA |
SWM | Olympics | 2000—2008 | 4×200 m freestyle relay – 30 March 2007 - 13 August 2008: 7:03.24 (30 March 2007; Melbourne, AUS) |
| Jenny Kemp | USA |
SWM | Olympics | 1972 | 4×100 m freestyle relay – 30 August 1972 - 8 September 1973: 3:55.19 (30 August 1972; München, FRG) |
| Patty Kempner | USA |
SWM | Olympics | 1960 | 200 m medley – 27 April 1957 - 20 July 1958: 2:48.2 (27 April 1957; Chicago, USA); 4×100 m medley relay – 2 September 1960 - 23 August 1962: 4:41.1 (2 September 1960; Roma, ITA) |
| Alajos Kenyéry | HUN |
SWM | Olympics | 1912 | 400 m freestyle – 21 April 1912 - 5 June 1912: 5:29.0 (21 April 1912; Magdeburg, GER) |
| Gusztáv Kettesi | HUN |
SWM | Olympics / Non-starter | 1948—1952 | 400 m medley – 24 April 1953 - 24 April 1953 and 26 July 1953 - 29 October 1953: 5:38.7 (24 April 1953; Budapest, HUN), 5:32.1 (26 July 1953; Budapest, HUN) |
| Adolph Kiefer | USA |
SWM | Olympics | 1936 | 100 m backstroke – 20 October 1935 - 23 June 1948: 1:07.0 (20 October 1935; Berlin, GER), 1:06.2 (22 October 1935; Krefeld, GER), 1:04.9 (9 November 1935; Breslau, GER), 1:04.8 (18 January 1936; Detroit, USA); 200 m backstroke – 11 April 1935 - 18 May 1943 and 4 March 1944 - 4 May 1949: 2:24.0 (11 April 1935; Chicago, USA), 2:23.0 (23 May 1941; Honolulu, USA), 2:19.3 (4 March 1944; Annapolis, USA) |
| Lenore Kight-Wingard | USA |
SWM | Olympics | 1932—1936 | 800 m freestyle – 21 July 1935 - 3 July 1936: 11:34.4 (21 July 1935; Manhattan Beach, USA) |
| Klára Killermann-Bartos | HUN |
SWM | Olympics | 1952—1960 | 4×100 m medley relay – 24 July 1953 - 16 August 1954: 5:10.8 (24 July 1953; Budapest, HUN) (competed as Klára Killermann), 5:09.2 (10 August 1953; Bucharest, ROU), 5:07.8 (3 August 1954; Budapest, HUN) (competed as Klára Killermann) |
| Lilly King | USA |
SWM | Olympics | 2016—2020 | 50 m breaststroke – 30 July 2017 - present: 29.40 (30 July 2017; Budapest, HUN); 100 m breaststroke – 25 July 2017 - present: 1:04.13 (25 July 2017; Budapest, HUN); 4×100 m medley relay – 30 July 2017 - present: 3:51.55 (30 July 2017; Budapest, HUN), 3:50.40 (28 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 26 July 2017 - 1 October 2020: 3:38.56 (26 July 2017; Budapest, HUN) |
| John Kinsella | USA |
SWM | Olympics | 1968—1972 | 400 m freestyle – 20 August 1970 - 7 September 1970: 4:02.8 (20 August 1970; Los Angeles, USA); 1500 m freestyle – 23 August 1970 - 6 August 1972: 15:57.10 (23 August 1970; Los Angeles, USA); 4×200 m freestyle relay – 28 August 1970 - 9 August 1971 and 31 August 1972 - 7 September 1973: 7:48.0 (28 August 1970; Tokyo, JPN), 7:35.78 (31 August 1972; München, FRG) |
| Bill Kirby | AUS |
SWM | Olympics | 2000 | 4×200 m freestyle relay – 25 August 1999 - 30 March 2007: 7:08.79 (25 August 1999; Sydney, AUS), 7:07.05 (19 September 2000; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN) |
| Kosuke Kitajima | JPN |
SWM | Olympics / Other | 2000—2012 | 100 m breaststroke – 21 July 2003 - 8 July 2004 and 11 August 2008 - 27 July 2009: 59.78 (21 July 2003; Barcelona, ESP), 58.91 (11 August 2008; Beijing, CHN); 200 m breaststroke – 2 October 2002 - 15 June 2003, 24 July 2003 - 11 July 2004, and 8 June 2008 - 30 July 2009: 2:09.97 (2 October 2002; Busan, KOR), 2:09.42 (24 July 2003; Barcelona, ESP), 2:07.51 (8 June 2008; Tokyo, JPN) |
| Ina Kleber | GDR |
SWM | Olympics | 1980 | 100 m backstroke – 24 August 1984 - 22 August 1991: 1:00.59 (24 August 1984; Moskva, URS); 4×100 m medley relay – 26 August 1983 - 30 July 1992: 4:05.79 (26 August 1983; Roma, ITA), 4:03.69 (24 August 1984; Moskva, URS) |
| Hans-Joachim Klein | GERFRG |
SWM | Olympics | 1960—1964 | 200 m freestyle – 24 May 1964 - 1 August 1964: 1:58.2 (24 May 1964; Dortmund, FRG) (competed for West Germany) |
| Herbert Klein | GERFRG |
SWM | Olympics | 1952—1956 | 100 m breaststroke – 17 February 1952 - 11 February 1953: 1:05.8 (17 February 1952; Norderney, FRG) (competed for West Germany); 200 m breaststroke – 9 June 1951 - 14 March 1952: 2:27.3 (9 June 1951; München, FRG) (competed for West Germany) |
| Michael Klim | AUS |
SWM | Olympics | 1996—2004 | 100 m freestyle – 16 September 2000 - 19 September 2000: 48.18 (16 September 2000; Sydney, AUS); 100 m butterfly – 9 October 1997 - 25 July 2003: 52.15 (9 October 1997; Brisbane, AUS), 52.03 (10 December 1999; Canberra, AUS), 51.81 (12 December 1999; Canberra, AUS); 4×100 m freestyle relay – 16 September 2000 - 15 August 2004: 3:13.67 (16 September 2000; Sydney, AUS); 4×200 m freestyle relay – 13 September 1998 - 30 March 2007: 7:11.86 (13 September 1998; Kuala Lumpur, MAS), 7:08.79 (25 August 1999; Sydney, AUS), 7:07.05 (19 September 2000; Sydney, AUS), 7:04.66 (27 July 2001; Fukuoka, JPN) |
| Yana Klochkova | UKR |
SWM | Olympics / Other | 2000—2008 | 400 m medley – 16 September 2000 - 1 April 2007: 4:33.59 (16 September 2000; Sydney, AUS) |
| Christiane Knacke | GDR |
SWM | Olympics | 1980 | 100 m butterfly – 28 August 1977 - 3 July 1978: 59.78 (28 August 1977; Ost-Berlin, GDR) |
| Manabu Koga | JPN |
SWM | Olympics | 1956 | 4×100 m freestyle relay – 6 August 1955 - 3 May 1958: 3:46.8 (6 August 1955; Tokyo, JPN); 4×100 m medley relay – 28 May 1958 - 25 July 1958: 4:17.2 (28 May 1958; Tokyo, JPN) |
| George Kojac | USA |
SWM | Olympics | 1928 | 100 m backstroke – 23 June 1928 - 23 July 1934: 1:09.0 (23 June 1928; Detroit, USA), 1:08.2 (9 August 1928; Amsterdam, NED); 200 m backstroke – 16 June 1930 - 30 August 1934: 2:32.2 (16 June 1930; New Haven, USA); 4×200 m freestyle relay – 11 August 1928 - 27 August 1931: 9:36.2 (11 August 1928; Amsterdam, NED) |
| Ada Kok | NED |
SWM | Olympics / Other | 1964—1968 | 100 m butterfly – 1 September 1963 - 16 October 1964 and 14 August 1965 - 20 August 1970: 1:06.1 (1 September 1963; Soestduinen, NED), 1:05.1 (30 May 1964; Blackpool, GBR), 1:04.5 (14 August 1965; Budapest, HUN); 200 m butterfly – 21 August 1965 - 11 July 1970: 2:25.8 (21 August 1965; Leiden, NED), 2:25.3 (12 September 1965; Groningen, NED), 2:22.5 (2 August 1967; Groningen, NED), 2:21.0 (25 August 1967; Blackpool, GBR); 4×100 m medley relay – 28 June 1964 - 4 July 1964: 4:39.1 (28 June 1964; Groningen, NED) |
| Claudia Kolb | USA |
SWM | Olympics | 1964—1968 | 100 m breaststroke – 11 July 1964 - 3 September 1964: 1:17.9 (11 July 1964; Los Angeles, USA); 200 m medley – 21 August 1966 - 8 July 1967: 2:27.8 (21 August 1966; Lincoln, USA), 200 m medley – 8 July 1967 - 30 July 1967: 2:27.5 (8 July 1967; Santa Clara, USA), 200 m medley – 30 July 1967 - 28 August 1972: 2:26.1 (30 July 1967; Winnipeg, CAN), 2:25.0 (18 August 1967; Philadelphia, USA), 2:23.5 (25 August 1967; Los Angeles, USA); 400 m medley – 9 July 1967 - 9 July 1972: 5:11.7 (9 July 1967; Santa Clara, USA), 5:09.7 (1 August 1967; Winnipeg, CAN), 5:08.2 (19 August 1967; Philadelphia, USA), 5:04.7 (24 August 1968; Los Angeles, USA); 4×100 m medley relay – 4 July 1964 - 28 September 1964: 4:38.1 (4 July 1964; Los Altos, USA) |
| Kliment Kolesnikov |  ROCRUS |
SWM | Olympics / YOG / Other | 2018—2020 | 50 m backstroke – 4 August 2018 - 28 April 2022: 24.00 (4 August 2018; Glasgow, GBR), 23.93 (17 May 2021; Budapest, HUN), 23.80 (18 May 2021; Budapest, HUN) |
| Leonid Kolesnikov | URS UZB |
SWM | Olympics | 1960 | 100 m breaststroke – 2 May 1961 - 2 July 1961: 1:11.4 (2 May 1961; Moskva, URS) |
| Dmitry Komornikov | RUS |
SWM | Olympics | 2000—2008 | 200 m breaststroke – 15 June 2003 - 24 July 2003: 2:09.52 (15 June 2003; Barcelona, ESP) |
| Ford Konno | USA |
SWM | Olympics | 1952—1956 | 200 m freestyle – 27 February 1954 - 4 March 1955: 2:03.9 (27 February 1954; Columbus, USA); 400 m freestyle – 3 April 1954 - 27 October 1956: 4:26.7 (3 April 1954; New Haven, USA); 800 m freestyle – 7 July 1951 - 27 October 1956: 9:30.7 (7 July 1951; Honolulu, USA) |
| Ilsa Konrads | AUS |
SWM | Olympics | 1960 | 400 m freestyle – 9 January 1960 - 5 August 1960: 4:45.4 (9 January 1960; Sydney, AUS); 800 m freestyle – 9 January 1958 - 17 August 1960: 10:17.7 (9 January 1958; Sydney, AUS), 10:16.2 (20 February 1958; Melbourne, AUS), 10:11.8 (13 June 1958; Townsville, AUS), 10:11.4 (19 February 1959; Hobart, AUS); 1500 m freestyle – 13 January 1960 - 8 September 1960: 19:25.7 (13 January 1960; Sydney, AUS); 4×100 m freestyle relay – 6 August 1960 - 3 September 1960: 4:16.2 (6 August 1960; Townsville, AUS) |
| John Konrads | AUS |
SWM | Olympics / Non-starter | 1956—1964 | 200 m freestyle – 18 January 1958 - 22 August 1958 and 16 January 1959 - 26 July 1959: 2:04.8 (18 January 1958; Sydney, AUS), 2:03.2 (5 May 1958; Sydney, AUS), 2:02.2 (16 January 1959; Sydney, AUS); 400 m freestyle – 15 January 1958 - 26 July 1959 and 23 February 1960 - 17 August 1962: 4:25.9 (15 January 1958; Sydney, AUS), 4:21.8 (12 January 1959; Melbourne, AUS), 4:19.0 (7 February 1959; Sydney, AUS), 4:15.9 (23 February 1960; Sydney, AUS); 800 m freestyle – 11 January 1958 - 26 August 1962: 9:17.7 (11 January 1958; Sydney, AUS), 9:14.5 (22 February 1958; Melbourne, AUS), 8:59.6 (10 January 1959; Sydney, AUS); 1500 m freestyle – 22 February 1958 - 17 August 1963: 17:28.7 (22 February 1958; Melbourne, AUS), 17:11.0 (27 February 1960; Sydney, AUS); 4×100 m freestyle relay – 3 May 1958 - 21 July 1959: 3:46.3 (3 May 1958; Brisbane, AUS); 4×200 m freestyle relay – 6 August 1960 - 1 September 1960: 8:16.6 (6 August 1960; Townsville, AUS) |
| Sergey Koplyakov |  BLRURS |
SWM | Olympics | 1976—1980 | 200 m freestyle – 7 April 1979 - 11 April 1980: 1:49.83 (7 April 1979; Potsdam, GDR) |
| Joke de Korte | NED |
SWM | Olympics | 1952 | 4×100 m medley relay – 27 November 1954 - 17 July 1955 and 8 December 1956 - 18 May 1957: 5:02.1 (27 November 1954; Rotterdam, NED), 4:53.1 (8 December 1956; Zwolle, NED) |
| Marina Koshevaya | RUSURS |
SWM | Olympics | 1976 | 200 m breaststroke – 21 July 1976 - 7 April 1978: 2:33.35 (21 July 1976; Montréal, CAN) |
| Vladimir Kosinsky | RUSURS |
SWM | Olympics | 1964—1972 | 100 m breaststroke – 8 November 1967 - 19 February 1968: 1:06.7 (8 November 1967; Leningrad, URS); 200 m breaststroke – 3 April 1968 - 22 March 1969: 2:27.4 (3 April 1968; Tallinn, URS) |
| Rosemarie Kother-Gabriel | GDR |
SWM | Olympics | 1972—1976 | 100 m butterfly – 21 August 1974 - 9 June 1975: 1:02.09 (21 August 1974; Wien, AUT), 1:01.99 (22 August 1974; Wien, AUT), 1:01.88 (1 September 1974; Concord, USA); 200 m butterfly – 8 September 1973 - 9 April 1978: 2:15.45 (8 September 1973; Beograd, YUG), 2:13.76 (8 September 1973; Beograd, YUG), 2:13.60 (14 March 1976; Tallinn, URS), 2:12.84 (4 June 1976; Ost-Berlin, GDR), 2:11.22 (5 June 1976; Ost-Berlin, GDR); 4×100 m freestyle relay – 2 June 1976 - 25 July 1976: 3:48.80 (2 June 1976; Ost-Berlin, GDR); 4×100 m medley relay – 4 September 1973 - 5 June 1976: 4:16.84 (4 September 1973; Beograd, YUG), 4:13.78 (24 August 1974; Wien, AUT) |
| Daniel Kowalski | AUS |
SWM | Olympics | 1996—2000 | 4×200 m freestyle relay – 13 September 1998 - 25 August 1999: 7:11.86 (13 September 1998; Kuala Lumpur, MAS) |
| Barbara Krause | GDR |
SWM | Olympics | 1980 | 100 m freestyle – 5 July 1978 - 19 August 1986: 55.41 (5 July 1978; Ost-Berlin, GDR), 54.98 (20 July 1980; Moskva, URS), 54.79 (21 July 1980; Moskva, URS); 200 m freestyle – 2 July 1978 - 22 August 1978: 1:59.04 (2 July 1978; Ost-Berlin, GDR); 400 m freestyle – 3 June 1976 - 20 July 1976: 4:11.69 (3 June 1976; Ost-Berlin, GDR); 4×100 m freestyle relay – 26 July 1975 - 25 July 1976 and 27 July 1980 - 21 August 1984: 3:49.37 (26 July 1975; Cali, COL), 3:48.80 (2 June 1976; Ost-Berlin, GDR), 3:42.71 (27 July 1980; Moskva, URS); 4×100 m medley relay – 5 June 1976 - 18 July 1976: 4:13.41 (5 June 1976; Ost-Berlin, GDR) |
| Lenny Krayzelburg | USA |
SWM | Olympics | 2000—2004 | 50 m backstroke – 28 August 1999 - 27 July 2003: 24.99 (28 August 1999; Sydney, AUS); 100 m backstroke – 24 August 1999 - 21 August 2004: 53.60 (24 August 1999; Sydney, AUS); 200 m backstroke – 27 August 1999 - 20 March 2002: 1:55.87 (27 August 1999; Sydney, AUS); 4×100 m medley relay – 23 September 2000 - 29 August 2002: 3:33.73 (23 September 2000; Sydney, AUS) |
| Ranomi Kromowidjojo | NED |
SWM | Olympics / Other | 2008—2020 | 4×100 m freestyle relay – 18 March 2008 - 24 July 2014: 3:33.62 (18 March 2008; Eindhoven, NED), 3:31.72 (26 July 2009; Roma, ITA) |
| Pam Kruse | USA |
SWM | Olympics | 1968 | 200 m freestyle – 19 August 1967 - 6 July 1968: 2:09.7 (19 August 1967; Philadelphia, USA); 400 m freestyle – 30 June 1967 - 27 July 1967: 4:36.8 (30 June 1967; Fort Lauderdale, USA), 4:36.4 (7 July 1967; Santa Clara, USA) |
| Ariana Kukors | USA |
SWM | Olympics | 2012 | 200 m medley – 26 July 2009 - 3 August 2015: 2:07.03 (26 July 2009; Roma, ITA), 2:06.15 (27 July 2009; Roma, ITA) |
| Ursula Küper | GDRGER |
SWM | Olympics | 1960—1964 | 100 m breaststroke – 14 July 1960 - 1 July 1961: 1:19.0 (14 July 1960; Leipzig, GDR) (competed for East Germany) |
| Ernst-Joachim Küppers | GERFRG |
SWM | Olympics | 1964 | 100 m backstroke – 28 August 1964 - 3 September 1964: 1:00.8 (28 August 1964; Dortmund, FRG) (competed for West Germany) |
| Ethel Lackie | USA |
SWM | Olympics | 1924 | 100 m freestyle – 28 January 1926 - 7 August 1929: 1:10.0 (28 January 1926; Toledo, USA); 4×100 m freestyle relay – 20 July 1924 - 9 August 1928: 4:58.8 (20 July 1924; Paris, FRA) |
| Tineke Lagerberg | NED |
SWM | Olympics | 1960 | 200 m butterfly – 12 December 1956 - 29 June 1958 and 13 September 1958 - 19 July 1959: 2:42.3 (12 December 1956; Naarden, NED), 2:38.1 (19 March 1957; Naarden, NED), 2:38.9 (13 September 1958; Naarden, NED); 4×100 m medley relay – 8 December 1956 - 18 May 1957 and 26 July 1959 - 6 September 1959: 4:53.1 (8 December 1956; Zwolle, NED), 4:51.5 (26 July 1959; Waalwijk, NED) |
| Susan Laird | USA |
SWM | Olympics | 1928 | 4×100 m freestyle relay – 9 August 1928 - 9 August 1928: 4:55.6 (9 August 1928; Amsterdam, NED) |
| Adelaide Lambert | USA |
SWM | Olympics | 1928 | 4×100 m freestyle relay – 9 August 1928 - 12 August 1932: 4:55.6 (9 August 1928; Amsterdam, NED), 4:47.6 (9 August 1928; Amsterdam, NED) |
| Giorgio Lamberti |  ITA |
SWM | Olympics | 1988—1992 | 200 m freestyle – 15 August 1989 - 23 March 1999: 1:46.69 (15 August 1989; Bonn, FRG) |
| Jutta Langenau | GDRGER |
SWM | Olympics | 1956 | 100 m butterfly – 31 August 1954 - ?: 1:16.6 (31 August 1954; Torino, ITA) (competed for East Germany) |
| David Larson | USA |
SWM | Olympics | 1984 | 4×200 m freestyle relay – 30 July 1984 - 19 August 1987: 7:18.87 (30 July 1984; Los Angeles, USA), 7:15.69 (30 July 1984; Los Angeles, USA) |
| Lance Larson | USA |
SWM | Olympics | 1960 | 100 m butterfly – 26 June 1960 - 20 August 1961: 59.0 (26 June 1960; Los Angeles, USA), 58.7 (24 July 1960; Toledo, USA); 200 m medley – 11 July 1959 - 23 July 1960: 2:24.7 (11 July 1959; Santa Clara, USA); 4×100 m freestyle relay – 21 July 1959 - 10 August 1962: 3:44.4 (21 July 1959; Tokyo, JPN); 4×100 m medley relay – 1 September 1960 - 20 August 1961: 4:05.4 (1 September 1960; Roma, ITA) |
| Göran Larsson | SWE |
SWM | Olympics | 1952 | 4×100 m medley relay – 17 April 1953 - 13 May 1953: 4:30.8 (17 April 1953; Lund, SWE), 4:27.8 (24 April 1953; Borås, SWE) |
| Gunnar Larsson | SWE |
SWM | Olympics | 1968—1972 | 400 m freestyle – 7 September 1970 - 25 August 1971: 4:02.6 (7 September 1970; Barcelona, ESP); 200 m medley – 12 September 1970 - 24 August 1974: 2:09.3 (12 September 1970; Barcelona, ESP), 2:07.17 (3 September 1972; München, FRG) |
| Béla Las-Torres | HUN |
SWM | Olympics | 1908—1912 | 400 m freestyle – 5 June 1912 - 14 July 1912: 5:28.4 (5 June 1912; Budapest, HUN) |
| Walter Laufer | USA |
SWM | Olympics | 1928 | 100 m backstroke – 20 June 1926 - 22 March 1927: 1:11.2 (20 June 1926; Berlin, GER); 200 m backstroke – 24 June 1926 - 14 October 1928: 2:47.1 (24 June 1926; Bremen, GER), 2:44.9 (11 July 1926; Nürnberg, GER), 2:38.8 (13 July 1926; Magdeburg, GER); 4×200 m freestyle relay – 11 August 1928 - 27 August 1931: 9:36.2 (11 August 1928; Amsterdam, NED) |