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 |
|---|---|---|---|---|---|
| Le Jingyi |  CHN |
SWM | Olympics | 1992—1996 | 50 m freestyle – 11 September 1994 - 4 June 2000: 24.51 (11 September 1994; Roma, ITA); 100 m freestyle – 5 September 1994 - 28 May 2000: 54.01 (5 September 1994; Roma, ITA); 4×100 m freestyle relay – 7 September 1994 - 16 September 2000: 3:37.91 (7 September 1994; Roma, ITA); 4×100 m medley relay – 10 September 1994 - 23 September 2000: 4:01.67 (10 September 1994; Roma, ITA) |
| Robin Leamy |  USA |
SWM | Olympics | 1984 | 4×100 m freestyle relay – 5 August 1982 - 2 August 1984: 3:19.26 (5 August 1982; Guayaquil, ECU) |
| Katie Ledecky | USA |
SWM | Olympics | 2012—2020 | 400 m freestyle – 9 August 2014 - 22 May 2022: 3:58.86 (9 August 2014; Irvine, USA), 3:58.37 (23 August 2014; Gold Coast, AUS), 3:56.46 (7 August 2016; Rio de Janeiro, BRA); 800 m freestyle – 3 August 2013 - present: 8:13.86 (3 August 2013; Barcelona, ESP), 8:11.00 (22 June 2014; Shenandoah, USA), 8:07.39 (8 August 2015; Kazan, RUS), 8:06.68 (17 January 2016; Austin, USA), 8:04.79 (12 August 2016; Rio de Janeiro, BRA); 1500 m freestyle – 30 July 2013 - present: 15:36.53 (30 July 2013; Barcelona, ESP), 15:34.23 (19 June 2014; Shenandoah, USA), 15:28.36 (24 August 2014; Gold Coast, AUS), 15:27.71 (3 August 2015; Kazan, RUS), 15:25.48 (4 August 2015; Kazan, RUS), 15:20.48 (16 May 2018; Indianapolis, USA) |
| Faith Leech |  AUS |
SWM | Olympics | 1956 | 4×100 m freestyle relay – 25 October 1956 - 6 August 1960: 4:19.7 (25 October 1956; Melbourne, AUS), 4:17.1 (6 December 1956; Melbourne, AUS) |
| Árpád Lengyel |  HUN |
SWM | Olympics | 1936 | 4×100 m freestyle relay – 26 June 1937 - 15 August 1937: 4:10.2 (26 June 1937; Budapest, HUN) |
| Maria Lenk |  BRA |
SWM | Olympics | 1932—1936 | 200 m breaststroke – 8 November 1939 - 19 March 1941: 2:56.0 (8 November 1939; Rio de Janeiro, BRA) |
| Libby Lenton-Trickett | AUS |
SWM | Olympics | 2004—2012 | 50 m freestyle – 29 March 2008 - 19 April 2009: 23.97 (29 March 2008; Sydney, AUS) (competed as Libby Trickett); 100 m freestyle – 31 March 2004 - 18 August 2004, 31 January 2006 - 2 August 2006, and 27 March 2008 - 25 June 2009: 53.66 (31 March 2004; Sydney, AUS) (competed as Libby Lenton), 53.42 (31 January 2006; Melbourne, AUS) (competed as Libby Lenton), 52.88 (27 March 2008; Sydney, AUS) (competed as Libby Trickett); 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE) (competed as Libby Lenton); 4×100 m medley relay – 21 March 2006 - 1 August 2009: 3:56.30 (21 March 2006; Melbourne, AUS) (competed as Libby Lenton), 3:55.74 (31 March 2007; Melbourne, AUS) (competed as Libby Lenton), 3:52.69 (17 August 2008; Beijing, CHN) (competed as Libby Trickett) |
| Dmitry Lepikov |  RUS EUN |
SWM | Olympics | 1992 | 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP) |
| Jason Lezak | USA |
SWM | Olympics | 2000—2012 | 4×100 m freestyle relay – 19 August 2006 - 10 August 2008 and 11 August 2008 - 26 September 2013: 3:12.46 (19 August 2006; Victoria, CAN), 3:08.24 (11 August 2008; Beijing, CHN); 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) |
| Li Bingjie | CHN |
SWM | Olympics | 2020 | 4×200 m freestyle relay – 29 July 2021 - 31 July 2022: 7:40.33 (29 July 2021; Tokyo, JPN) |
| Li Zhesi | CHN |
SWM | Olympics | 2008 | 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA) |
| Lin Li | CHN |
SWM | Olympics | 1988—1996 | 200 m medley – 30 July 1992 - 17 October 1997: 2:11.65 (30 July 1992; Barcelona, ESP) |
| Kim Linehan | USA |
SWM | Olympics | 1984 | 400 m freestyle – 2 August 1978 - 24 August 1978: 4:07.66 (2 August 1978; The Woodlands, USA); 1500 m freestyle – 19 August 1979 - 31 July 1987: 16:04.49 (19 August 1979; Fort Lauderdale, USA) |
| Karla Linke |  GDR |
SWM | Olympics | 1976 | 200 m breaststroke – 19 August 1974 - 21 July 1976: 2:37.44 (19 August 1974; Wien, AUT), 2:34.99 (19 August 1974; Wien, AUT) |
| Jeremy Linn | USA |
SWM | Olympics | 1996 | 4×100 m medley relay – 26 July 1996 - 23 September 2000: 3:34.84 (26 July 1996; Atlanta, USA) |
| Oleh Lisohor |  UKR |
SWM | Olympics | 2000—2008 | 50 m breaststroke – 2 August 2002 - 18 April 2009: 27.18 (2 August 2002; Berlin, GER) |
| Mária Littomeritzky | HUN |
SWM | Olympics | 1948—1956 | 4×100 m freestyle relay – 27 April 1952 - 1 August 1952: 4:27.2 (27 April 1952; Moskva, URS); 4×100 m medley relay – 3 August 1954 - 16 August 1954: 5:07.8 (3 August 1954; Budapest, HUN) |
| Liu Jing | CHN |
SWM | Olympics | 2008—2012 | 4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA) |
| Liu Limin | CHN |
SWM | Olympics | 1996—2000 | 4×100 m medley relay – 10 September 1994 - 23 September 2000: 4:01.67 (10 September 1994; Roma, ITA) |
| Liu Xiang | CHN |
SWM | Olympics | 2016 | 50 m backstroke – 21 August 2018 - 20 October 2023: 26.98 (21 August 2018; Jakarta, INA) |
| Liu Zige | CHN |
SWM | Olympics | 2008—2012 | 200 m butterfly – 14 August 2008 - 29 July 2009 and 21 October 2009 - present: 2:04.18 (14 August 2008; Beijing, CHN), 2:01.81 (21 October 2009; Jinan, CHN) |
| Ryan Lochte | USA |
SWM | Olympics | 2004—2016 | 200 m backstroke – 30 March 2007 - 11 July 2009: 1:54.32 (30 March 2007; Melbourne, AUS), 1:53.94 (15 August 2008; Beijing, CHN); 200 m medley – 30 July 2009 - present: 1:54.10 (30 July 2009; Roma, ITA), 1:54.00 (28 July 2011; Shanghai, CHN); 4×200 m freestyle relay – 30 March 2007 - present: 7:03.24 (30 March 2007; Melbourne, AUS), 6:58.56 (13 August 2008; Beijing, CHN), 6:58.55 (31 July 2009; Roma, ITA); 4×100 m freestyle mixed relay – 8 August 2015 - 29 July 2017: 3:23.05 (8 August 2015; Kazan, RUS) |
| Anita Lonsbrough |  GBR |
SWM | Olympics / Other | 1960—1964 | 200 m breaststroke – 25 July 1959 - 6 June 1960 and 27 August 1960 - 5 August 1961: 2:50.3 (25 July 1959; Waalwijk, NED), 2:49.5 (27 August 1960; Roma, ITA); 4×100 m medley relay – 25 July 1958 - 5 September 1958: 4:54.0 (25 July 1958; Cardiff, GBR) |
| Martín López-Zubero |  ESP |
SWM | Olympics | 1988—1996 | 200 m backstroke – 13 August 1991 - 27 August 1999: 1:57.30 (13 August 1991; Fort Lauderdale, USA), 1:56.57 (23 November 1991; Tuscaloosa, USA) |
| Lea Loveless | USA |
SWM | Olympics | 1992 | 4×100 m medley relay – 30 July 1992 - 10 September 1994: 4:02.54 (30 July 1992; Barcelona, ESP) |
| Jemma Lowe | GBR |
SWM | Olympics | 2008—2012 | 4×100 m medley mixed relay – 19 August 2014 - 5 August 2015: 3:44.02 (19 August 2014; Berlin, GER) |
| Lu Bin | CHN |
SWM | Olympics | 1992 | 4×100 m freestyle relay – 7 September 1994 - 16 September 2000: 3:37.91 (7 September 1994; Roma, ITA) |
| Steve Lundquist | USA |
SWM | Olympics | 1984 | 100 m breaststroke – 19 July 1982 - 25 June 1984 and 29 July 1984 - 15 August 1989: 1:02.62 (19 July 1982; Mission Viejo, USA), 1:02.53 (21 August 1982; Indianapolis, USA), 1:02.34 (6 August 1983; Fresno, USA), 1:02.28 (17 August 1983; Caracas, VEN), 1:01.65 (29 July 1984; Los Angeles, USA); 200 m medley – 2 August 1978 - 24 August 1978: 2:04.39 (2 August 1978; The Woodlands, USA); 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) |
| Annika Lurz |  GER |
SWM | Olympics | 2008 | 4×100 m freestyle relay – 31 July 2006 - 18 March 2008: 3:35.22 (31 July 2006; Budapest, HUN); 4×200 m freestyle relay – 3 August 2006 - 29 March 2007: 7:50.82 (3 August 2006; Budapest, HUN) |
| Maurice Lusien |  FRA |
SWM | Olympics | 1948—1952 | 400 m medley – 24 April 1953 - 26 July 1953 and 18 March 1954 - 22 April 1954: 5:35.6 (24 April 1953; Troyes, FRA), 5:27.3 (18 March 1954; Reims, FRA); 3×100 m medley relay – 25 March 1952 - 31 December 1952: 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) |
| Odette Lusien | FRA |
SWM | Olympics | 1952—1956 | 4×100 m medley relay – 16 August 1954 - 27 November 1954: 5:06.2 (16 August 1954; Marseille, FRA) |
| Willy Lützow | GER |
SWM | Olympics | 1912 | 100 m breaststroke – 24 May 1914 - 24 September 1922: 1:16.8 (24 May 1914; Magdeburg, GER) |
| Francis Luyce | FRA |
SWM | Olympics | 1964—1968 | 800 m freestyle – 21 July 1967 - 3 September 1968: 8:42.0 (21 July 1967; Dinard, FRA) |
| Dave Lyons | USA |
SWM | Olympics | 1964 | 4×200 m freestyle relay – 28 September 1964 - 18 October 1964: 8:01.8 (28 September 1964; Los Angeles, USA) |
| Linda MacKenzie | AUS |
SWM | Olympics | 2004—2008 | 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN) |
| Helene Madison | USA |
SWM | Olympics | 1932 | 100 m freestyle – 14 March 1930 - 9 July 1933: 1:08.0 (14 March 1930; Miami Beach, USA), 1:06.6 (20 April 1931; Boston, USA); 200 m freestyle – 6 March 1930 - 3 May 1933: 2:34.6 (6 March 1930; St. Augustine, USA); 400 m freestyle – 3 February 1931 - 12 July 1934: 5:31.0 (3 February 1931; Seattle, USA), 5:28.5 (13 August 1932; Los Angeles, USA); 800 m freestyle – 6 July 1930 - 21 July 1935: 11:41.2 (6 July 1930; Long Beach, USA); 1500 m freestyle – 15 July 1931 - 26 June 1936: 23:17.2 (15 July 1931; New York City, USA); 4×100 m freestyle relay – 12 August 1932 - 14 April 1934: 4:38.0 (12 August 1932; Los Angeles, USA) |
| Hideko Maehata |  JPN |
SWM | Olympics | 1932—1936 | 200 m breaststroke – 30 September 1933 - 11 May 1937: 3:00.4 (30 September 1933; Tokyo, JPN) |
| James Magnussen | AUS |
SWM | Olympics | 2012—2016 | 4×100 m freestyle mixed relay – 1 February 2014 - 8 August 2015: 3:23.29 (1 February 2014; Perth, AUS) |
| Shozo Makino | JPN |
SWM | Olympics | 1932—1936 | 400 m freestyle – 14 August 1933 - 30 August 1934: 4:46.4 (14 August 1933; Tokyo, JPN); 800 m freestyle – 30 August 1931 - 21 June 1932 and 25 June 1933 - 24 July 1941: 10:16.6 (30 August 1931; Osaka, JPN), 10:08.6 (25 June 1933; Tokyo, JPN), 10:01.2 (16 September 1933; Tokyo, JPN), 9:55.8 (15 September 1934; Tokyo, JPN); 4×200 m freestyle relay – 19 August 1935 - 11 August 1936: 8:52.2 (19 August 1935; Tokyo, JPN) |
| Tom Malchow | USA |
SWM | Olympics | 1996—2004 | 200 m butterfly – 17 June 2000 - 30 March 2001: 1:55.18 (17 June 2000; Charlotte, USA) |
| Laure Manaudou | FRA |
SWM | Olympics | 2004—2012 | 200 m freestyle – 28 March 2007 - 11 August 2008: 1:55.52 (28 March 2007; Melbourne, AUS); 400 m freestyle – 12 May 2006 - 24 March 2008: 4:03.03 (12 May 2006; Tours, FRA), 4:02.13 (6 August 2006; Budapest, HUN) |
| Shelley Mann | USA |
SWM | Olympics | 1956 | 100 m butterfly – ? - 16 April 1955 and 7 July 1956 - 12 November 1956: 1:14.0 (? ; Richmond, USA), 1:11.8 (7 July 1956; Tyler, USA) |
| Thompson Mann | USA |
SWM | Olympics | 1964 | 100 m backstroke – 3 September 1964 - 28 August 1967: 1:00.0 (3 September 1964; New York City, USA), 59.6 (16 October 1964; Tokyo, JPN); 4×100 m medley relay – 16 October 1964 - 31 August 1967: 3:58.4 (16 October 1964; Tokyo, JPN) |
| Simone Manuel | USA |
SWM | Olympics | 2016—2020 | 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 freestyle mixed relay – 8 August 2015 - 24 June 2022: 3:23.05 (8 August 2015; Kazan, RUS), 3:19.60 (29 July 2017; Budapest, HUN), 3:19.40 (27 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 26 July 2017 - 1 October 2020: 3:38.56 (26 July 2017; Budapest, HUN) |
| Léon Marchand | FRA |
SWM | Olympics | 2020 | 400 m medley – 23 July 2023 - present: 4:02.50 (23 July 2023; Fukuoka, JPN) |
| Ann Marshall | USA |
SWM | Olympics | 1972 | 4×100 m freestyle relay – 31 August 1974 - 26 July 1975: 3:51.99 (31 August 1974; Concord, USA) |
| John Marshall | AUS |
SWM | Olympics | 1948—1956 | 200 m freestyle – 31 March 1950 - 27 February 1954: 2:04.6 (31 March 1950; New Haven, USA); 400 m freestyle – 11 March 1950 - 3 April 1954: 4:33.1 (11 March 1950; New Haven, USA), 4:29.5 (1 April 1950; New Haven, USA), 4:26.9 (24 March 1951; New Haven, USA) |
| Angel Martino | USA |
SWM | Olympics | 1992—1996 | 4×100 m freestyle relay – 28 July 1992 - 7 September 1994: 3:39.46 (28 July 1992; Barcelona, ESP) |
| Kylie Masse |  CAN |
SWM | Olympics | 2016—2020 | 100 m backstroke – 25 July 2017 - 28 July 2018: 58.10 (25 July 2017; Budapest, HUN) |
| Rie Mastenbroek |  NED |
SWM | Olympics | 1936 | 100 m backstroke – 25 November 1934 - 15 January 1935 and 27 February 1936 - 8 September 1936: 1:16.8 (25 November 1934; Düsseldorf, GER), 1:15.8 (27 February 1936; Amsterdam, NED); 200 m backstroke – 20 January 1935 - 3 March 1936: 2:49.6 (20 January 1935; Amsterdam, NED); 4×100 m freestyle relay – 14 April 1934 - 8 February 1938: 4:33.3 (14 April 1934; Rotterdam, NED), 4:32.8 (24 May 1936; Rotterdam, NED) |
| Roland Matthes | GDR |
SWM | Olympics | 1968—1976 | 100 m backstroke – 21 September 1967 - 18 July 1976: 58.4 (21 September 1967; Leipzig, GDR), 58.0 (26 October 1968; Ciudad de México, MEX), 57.8 (23 August 1969; Würzburg, FRG), 56.9 (8 September 1970; Barcelona, ESP), 56.7 (4 September 1971; Leipzig, GDR), 56.3 (8 April 1972; Moskva, URS), 56.30 (4 September 1972; München, FRG); 200 m backstroke – 8 November 1967 - 14 August 1969, 29 August 1969 - 20 August 1970, and 11 September 1970 - 19 June 1976: 2:07.9 (8 November 1967; Leipzig, GDR), 2:07.5 (14 August 1968; Leipzig, GDR), 2:07.4 (12 July 1969; Santa Clara, USA), 2:06.4 (29 August 1969; Ost-Berlin, GDR), 2:06.1 (11 September 1970; Barcelona, ESP), 2:05.6 (3 September 1971; Leipzig, GDR), 2:02.8 (10 July 1972; Leipzig, GDR), 2:02.82 (2 September 1972; München, FRG), 2:01.87 (6 September 1973; Beograd, YUG); 4×100 m medley relay – 7 November 1967 - 26 October 1968 and 8 September 1970 - 3 September 1971: 3:56.5 (7 November 1967; Leipzig, GDR), 3:54.4 (8 September 1970; Barcelona, ESP) |
| Edith Mayne | GBR |
SWM | Olympics | 1928 | 1500 m freestyle – 15 September 1926 - 28 July 1927: 24:00.2 (15 September 1926; Exmouth, GBR) |
| Tom McBreen | USA |
SWM | Olympics | 1972 | 400 m freestyle – 25 August 1971 - 12 February 1972: 4:02.1 (25 August 1971; Houston, USA); 4×200 m freestyle relay – 28 August 1970 - 9 August 1971 and 10 September 1971 - 31 August 1972: 7:48.0 (28 August 1970; Tokyo, JPN), 7:43.3 (10 September 1971; Minsk, URS) |
| Ethel McGary | USA |
SWM | Olympics | 1928 | 800 m freestyle – 6 August 1925 - 7 August 1926: 12:58.2 (6 August 1925; Detroit, USA), 12:56.0 (15 August 1925; Indianapolis, USA); 1500 m freestyle – 31 December 1925 - 15 September 1926: 24:07.6 (31 December 1925; Coral Gables, USA) |
| Rich McGeagh | USA |
SWM | Olympics | 1964 | 4×100 m medley relay – 24 August 1963 - 16 October 1964: 4:00.1 (24 August 1963; Osaka, JPN) |
| Perry McGillivray | USA |
SWM/WPO | Olympics / Coach | 1912—1928 | 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) |
| Summer McIntosh | CAN |
SWM | Olympics | 2020 | 400 m freestyle – 28 March 2023 - 23 July 2023: 3:56.08 (28 March 2023; Toronto, CAN); 400 m medley – 1 April 2023 - present: 4:25.87 (1 April 2023; Toronto, CAN) |
| Don McKenzie | USA |
SWM | Olympics | 1968 | 4×100 m medley relay – 26 October 1968 - 8 September 1970: 3:54.9 (26 October 1968; Ciudad de México, MEX) |
| Emma McKeon | AUS |
SWM | Olympics / YOG | 2010—2020 | 4×100 m freestyle relay – 24 July 2014 - present: 3:30.98 (24 July 2014; Glasgow, GBR), 3:30.65 (6 August 2016; Rio de Janeiro, BRA), 3:30.05 (5 July 2018; Gold Coast, AUS), 3:29.69 (25 July 2021; Tokyo, JPN), 3:27.96 (23 July 2023; Fukuoka, JPN); 4×200 m freestyle relay – 25 July 2019 - 29 July 2021: 7:41.50 (25 July 2019; Gwangju, KOR) |
| Kaylee McKeown | AUS |
SWM | Olympics / YOG | 2018—2020 | 50 m backstroke – 20 October 2023 - present: 26.86 (20 October 2023; Budapest, HUN); 100 m backstroke – 13 Juni 2021 - present: 57.45 (13 Juni 2021; Adelaide, AUS); 200 m backstroke – 10 March 2023 - present: 2:03.14 (10 March 2023; Sydney, AUS) |
| Josephine McKim | USA |
SWM | Olympics | 1928—1932 | 800 m freestyle – 10 August 1929 - 6 July 1930: 12:03.8 (10 August 1929; Honolulu, USA); 4×100 m freestyle relay – 9 August 1928 - 9 August 1928 and 12 August 1932 - 14 April 1934: 4:55.6 (9 August 1928; Amsterdam, NED), 4:38.0 (12 August 1932; Los Angeles, USA) |
| Frank McKinney | USA |
SWM | Olympics | 1956—1960 | 200 m backstroke – 12 July 1959 - 26 June 1960: 2:17.9 (12 July 1959; Los Altos, USA), 2:17.8 (25 July 1959; Osaka, JPN); 4×100 m medley relay – 24 July 1960 - 27 August 1960 and 1 September 1960 - 20 August 1961: 4:09.2 (24 July 1960; Toledo, USA), 4:05.4 (1 September 1960; Roma, ITA) |
| Jimmy McLane | USA |
SWM | Olympics | 1948—1952 | 4×200 m freestyle relay – 3 August 1948 - 18 August 1949 and 16 February 1952 - 4 November 1956: 8:46.0 (3 August 1948; London, GBR), 8:29.4 (16 February 1952; New Haven, USA) |
| Mary T. Meagher | USA |
SWM | Olympics | 1984—1988 | 100 m butterfly – 11 April 1980 - 23 August 1999: 59.26 (11 April 1980; Austin, USA), 57.93 (16 August 1981; Brown Deer, USA); 200 m butterfly – 7 July 1979 - 17 May 2000: 2:09.77 (7 July 1979; San Juan, PUR), 2:08.41 (16 August 1979; Fort Lauderdale, USA), 2:07.01 (16 August 1979; Fort Lauderdale, USA), 2:06.37 (30 July 1980; Irvine, USA), 2:05.96 (13 August 1981; Brown Deer, USA) |
| Bonnie Mealing | AUS |
SWM | Olympics | 1928—1932 | 100 m backstroke – 27 February 1930 - 30 May 1932: 1:20.6 (27 February 1930; Sydney, USA) |
| Jack Medica | USA |
SWM | Olympics | 1936 | 200 m freestyle – 12 April 1935 - 12 February 1944: 2:07.2 (12 April 1935; Chicago, USA); 400 m freestyle – 30 August 1934 - 13 May 1941: 4:38.7 (30 August 1934; Honolulu, USA) |
| Rūta Meilutytė |  LTU |
SWM | Olympics / YOG | 2012—2016 | 50 m breaststroke – 3 August 2013 - 30 July 2017: 29.48 (3 August 2013; Barcelona, ESP); 100 m breaststroke – 29 July 2013 - 25 July 2017: 1:04.35 (29 July 2013; Barcelona, ESP) |
| Katrin Meißner | GDRGER |
SWM | Olympics | 1988—2000 | 4×100 m freestyle relay – 29 July 2002 - 14 August 2004: 3:36.00 (29 July 2002; Berlin, GER) (competed for Germany) |
| Kiah Melverton | AUS |
SWM | Olympics | 2020 | 4×200 m freestyle relay – 31 July 2022 - 27 July 2023: 7:39.29 (31 July 2022; Birmingham, GBR) |
| Ken Merten | USA |
SWM | Olympics | 1968 | 4×100 m medley relay – 31 August 1967 - 7 November 1967: 3:57.2 (31 August 1967; Tokyo, JPN) |
| Leonid Meshkov | RUS URS |
SWM | Olympics | 1952 | 100 m breaststroke – 20 December 1949 - 17 February 1952: 1:07.2 (20 December 1949; Moskva, URS), 1:07.0 (23 February 1950; Minsk, URS), 1:06.8 (17 April 1950; Moskva, URS), 1:06.6 (7 January 1951; Moskva, URS), 1:06.5 (5 May 1951; Moskva, URS); 3×100 m medley relay – 13 May 1951 - 25 March 1952: 3:11.1 (13 May 1951; Moskva, URS) |
| Caren Metschuck | GDR |
SWM | Olympics | 1980 | 4×100 m freestyle relay – 27 July 1980 - 21 August 1984: 3:42.71 (27 July 1980; Moskva, URS); 4×100 m medley relay – 20 July 1980 - 6 August 1982: 4:06.67 (20 July 1980; Moskva, URS) |
| Bill Mettler | USA |
SWM | Olympics | 1964 | 4×200 m freestyle relay – 28 September 1964 - 18 October 1964: 8:01.8 (28 September 1964; Los Angeles, USA) |
| Debbie Meyer | USA |
SWM | Olympics | 1968 | 200 m freestyle – 24 August 1968 - 1 May 1971: 2:06.7 (24 August 1968; Los Angeles, USA); 400 m freestyle – 27 July 1967 - 30 April 1971: 4:32.6 (27 July 1967; Winnipeg, CAN), 4:29.0 (18 August 1967; Philadelphia, USA), 4:26.7 (1 August 1968; Lincoln, USA), 4:24.5 (25 August 1968; Los Angeles, USA), 4:24.3 (20 August 1970; Los Angeles, USA); 800 m freestyle – 9 July 1967 - 1 March 1970: 9:35.8 (9 July 1967; Santa Clara, USA), 9:22.9 (29 July 1967; Winnipeg, CAN), 9:19.0 (21 July 1968; Los Angeles, USA), 9:17.8 (4 August 1968; Lincoln, USA), 9:10.4 (28 August 1968; Los Angeles, USA); 1500 m freestyle – 9 July 1967 - 28 August 1971: 18:11.1 (9 July 1967; Santa Clara, USA), 17:50.2 (20 August 1967; Philadelphia, USA), 17:31.2 (21 August 1968; Los Angeles, USA), 17:19.9 (17 August 1969; Louisville, USA) |
| Kristóf Milák | HUN |
SWM | Olympics / YOG | 2018—2020 | 200 m butterfly – 24 July 2019 - present: 1:50.73 (24 July 2019; Gwangju, KOR), 1:50.34 (21 June 2022; Budapest, HUN) |
| Alice Mills | AUS |
SWM | Olympics | 2004—2008 | 4×100 m freestyle relay – 14 August 2004 - 31 July 2006: 3:35.94 (14 August 2004; Athina, GRE) |
| Betsy Mitchell | USA |
SWM | Olympics | 1984—1988 | 200 m backstroke – 27 June 1986 - 25 August 1991: 2:08.60 (27 June 1986; Orlando, USA) |
| Yasuji Miyazaki | JPN |
SWM | Olympics | 1932 | 4×200 m freestyle relay – 9 August 1932 - 19 August 1935: 8:58.4 (9 August 1932; Los Angeles, USA) |
| Karen Moe-Thornton | USA |
SWM | Olympics | 1972—1976 | 200 m butterfly – 11 July 1970 - 22 August 1970, 7 August 1971 - 28 August 1971, and 6 August 1972 - 8 September 1973: 2:20.7 (11 July 1970; Santa Clara, USA), 2:18.6 (7 August 1971; Santa Clara, USA), 2:16.62 (6 August 1972; Chicago, USA), 2:15.57 (4 September 1972; München, FRG) |
| John Moffet | USA |
SWM | Olympics | 1984 | 100 m breaststroke – 25 June 1984 - 29 July 1984: 1:02.13 (25 June 1984; Indianapolis, USA); 4×100 m medley relay – 18 August 1985 - 25 September 1988: 3:38.28 (18 August 1985; Tokyo, JPN) |
| Anke Möhring | GDR |
SWM | Olympics | 1988 | 800 m freestyle – 19 August 1987 - 22 March 1988: 8:19.53 (19 August 1987; Strasbourg, FRA); 4×200 m freestyle relay – 18 August 1987 - 18 August 2004: 7:55.47 (18 August 1987; Strasbourg, FRA) |
| John Monckton | AUS |
SWM | Olympics | 1956—1960 | 100 m backstroke – 15 February 1958 - 19 August 1961: 1:01.5 (15 February 1958; Melbourne, AUS); 200 m backstroke – 15 January 1958 - 12 July 1959: 2:18.8 (15 January 1958; Sydney, AUS), 2:18.4 (18 February 1958; Melbourne, 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) |
| Jim Montgomery | USA |
SWM | Olympics | 1976 | 100 m freestyle – 21 June 1975 - 3 August 1975 and 23 August 1975 - 14 August 1976: 51.12 (21 June 1975; Long Beach, USA), 50.59 (23 August 1975; Kansas City, USA), 50.39 (24 July 1976; Montréal, CAN), 49.99 (25 July 1976; Montréal, CAN); 4×100 m freestyle relay – 1 September 1974 - 5 August 1982: 3:25.17 (1 September 1974; Concord, USA), 3:24.85 (25 July 1975; Cali, COL), 3:21.11 (28 August 1977; Ost-Berlin, GDR), 3:19.74 (22 August 1978; West-Berlin, FRG); 4×200 m freestyle relay – 7 September 1973 - 22 August 1975 and 21 July 1976 - 24 August 1978: 7:33.22 (7 September 1973; Beograd, YUG), 7:23.22 (21 July 1976; Montréal, CAN); 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN) |
| Isabella Moore | GBR |
SWM | Olympics | 1912 | 4×100 m freestyle relay – 15 July 1912 - 29 August 1920: 5:52.8 (15 July 1912; Stockholm, SWE) |
| Kendis Moore | USA |
SWM | Olympics | 1968 | 200 m butterfly – 15 August 1965 - 21 August 1965: 2:26.3 (15 August 1965; Maumee, USA); 4×100 m medley relay – 30 July 1967 - 14 September 1968: 4:30.0 (30 July 1967; Winnipeg, CAN) |
| Wayne Moore | USA |
SWM | Olympics | 1952 | 4×200 m freestyle relay – 16 February 1952 - 4 November 1956: 8:29.4 (16 February 1952; New Haven, USA) |
| Adrian Moorhouse | GBR |
SWM | Olympics | 1984—1992 | 100 m breaststroke – 15 August 1989 - 7 January 1991: 1:01.49 (15 August 1989; Bonn, FRG), 1:01.49 tied (25 January 1990; Auckland, NZL), 1:01.49 tied (26 July 1990; London, GBR) |
| Pablo Morales | USA |
SWM | Olympics | 1984—1992 | 100 m butterfly – 26 June 1984 - 30 July 1984 and 23 June 1986 - 23 August 1995: 53.38 (26 June 1984; Indianapolis, USA), 52.84 (23 June 1986; Orlando, USA); 4×100 m medley relay – 4 August 1984 - 25 September 1988 and 31 July 1992 - 26 July 1996: 3:39.30 (4 August 1984; Los Angeles, USA), 3:38.28 (18 August 1985; Tokyo, JPN), 3:36.93 tied (31 July 1992; Barcelona, ESP) |
| Karen Moras | AUS |
SWM | Olympics | 1968—1972 | 400 m freestyle – 30 April 1971 - 9 July 1971: 4:22.6 (30 April 1971; London, GBR); 800 m freestyle – 1 March 1970 - 10 September 1971: 9:09.1 (1 March 1970; Sydney, AUS), 9:02.45 (18 July 1970; Edinburgh, GBR) |
| Sandra Morgan | AUS |
SWM | Olympics | 1956—1960 | 4×100 m freestyle relay – 6 December 1956 - 6 August 1960: 4:17.1 (6 December 1956; Melbourne, AUS) |
| Gerald Mörken |  FRG |
SWM | Olympics | 1984 | 100 m breaststroke – 18 August 1977 - 19 July 1982: 1:02.86 (18 August 1977; Jönköping, SWE) |
| Alain Mosconi | FRA |
SWM | Olympics | 1968—1972 | 400 m freestyle – 4 July 1967 - 7 July 1967: 4:09.2 (4 July 1967; Monte Carlo, MON); 800 m freestyle – 5 July 1967 - 21 July 1967: 8:46.8 (5 July 1967; Monte Carlo, MON) |
| Ed Moses | USA |
SWM | Olympics | 2000 | 50 m breaststroke – 31 March 2001 - 2 August 2002: 27.39 (31 March 2001; Austin, USA); 100 m breaststroke – 28 March 2001 - 28 June 2001: 1:00.29 (28 March 2001; Austin, USA); 4×100 m medley relay – 23 September 2000 - 29 August 2002: 3:33.73 (23 September 2000; Sydney, AUS) |
| Lotte Mühe | GER |
SWM | Olympics | 1928 | 100 m breaststroke – 9 June 1928 - 10 April 1932: 1:26.3 (9 June 1928; Magdeburg, GER); 200 m breaststroke – 15 April 1928 - 22 April 1928 and 15 July 1928 - 20 July 1931: 3:15.8 (15 April 1928; Magdeburg, GER), 3:11.2 (15 July 1928; Berlin, GER) |
| Jarmila Müllerová |  CZE TCH |
SWM | Olympics | 1924 | 100 m backstroke – 29 July 1923 - 8 August 1923: 1:35.0 (29 July 1923; Praha, TCH) |
| Rafa Muñoz | ESP |
SWM | Olympics | 2008 | 50 m butterfly – 5 April 2009 - 1 July 2018: 22.43 (5 April 2009; Malaga, ESP) |
| John Murphy | USA |
SWM | Olympics | 1972 | 4×100 m freestyle relay – 28 August 1972 - 1 September 1974 and 25 July 1975 - 28 August 1977: 3:26.42 (28 August 1972; München, FRG), 3:24.85 (25 July 1975; Cali, COL) |
| Ryan Murphy | USA |
SWM | Olympics | 2016—2020 | 100 m backstroke – 13 August 2016 - 20 June 2022: 51.85 (13 August 2016; Rio de Janeiro, BRA); 4×100 m medley relay – 1 August 2021 - present: 3:26.78 (1 August 2021; Tokyo, JPN); 4×100 m medley mixed relay – 26 July 2017: 3:40.28 (26 July 2017; Budapest, HUN) |
| John Naber | USA |
SWM | Olympics | 1976 | 100 m backstroke – 18 July 1976 - 6 August 1983: 56.19 (18 July 1976; Montréal, CAN), 55.49 (19 July 1976; Montréal, CAN); 200 m backstroke – 19 June 1976 - 3 August 1983: 2:00.64 (19 June 1976; Long Beach, USA), 1:59.19 (27 July 1976; Montréal, CAN); 4×200 m freestyle relay – 21 July 1976 - 24 August 1978: 7:23.22 (21 July 1976; Montréal, CAN); 4×100 m medley relay – 22 July 1976 - 7 August 1982: 3:42.22 (22 July 1976; Montréal, CAN) |
| Jiro Nagasawa | JPN |
SWM | Olympics | 1952 | 200 m butterfly – 17 September 1954 - 1 October 1955 and 14 March 1956 - 14 April 1956: 2:21.6 (17 September 1954; Tokyo, JPN), 2:19.3 (14 March 1956; New Haven, USA) |
| Artem Nakache | FRA |
SWM | Olympics | 1936—1948 | 200 m breaststroke – 6 July 1941 - 5 April 1946: 2:36.8 (6 July 1941; Marseille, FRA) |
| Mai Nakamura | JPN |
SWM | Olympics | 1996—2000 | 50 m backstroke – 25 April 2000 - 17 June 2000: 28.67 (25 April 2000; Tokyo, JPN) |
| Anita Nall | USA |
SWM | Olympics | 1992 | 200 m breaststroke – 2 March 1992 - 15 March 1994: 2:25.92 (2 March 1992; Indianapolis, USA), 2:25.35 (2 March 1992; Indianapolis, USA); 4×100 m medley relay – 30 July 1992 - 10 September 1994: 4:02.54 (30 July 1992; Barcelona, ESP) |
| Gail Neall | AUS |
SWM | Olympics | 1972 | 400 m medley – 9 July 1972 - 18 August 1973: 5:02.97 (9 July 1972; München, FRG) |
| Ryk Neethling |  RSA |
SWM | Olympics | 1996—2008 | 4×100 m freestyle relay – 15 August 2004 - 19 August 2006: 3:13.17 (15 August 2004; Athina, GRE) |
| Hiroshi Negami | JPN |
SWM | Olympics | 1936 | 4×200 m freestyle relay – 19 August 1935 - 11 August 1936: 8:52.2 (19 August 1935; Tokyo, JPN) |
| Sandy Neilson | USA |
SWM | Olympics | 1972 | 4×100 m freestyle relay – 18 August 1972 - 8 September 1973: 3:58.11 (18 August 1972; Knoxville, USA), 3:55.19 (30 August 1972; München, FRG); 4×100 m medley relay – 3 September 1972 - 4 September 1973: 4:20.75 (3 September 1972; München, FRG) |
| John Nelson | USA |
SWM | Olympics | 1964—1968 | 400 m freestyle – 18 August 1966 - 18 August 1966: 4:11.8 (18 August 1966; Lincoln, USA) |
| Luis Nicolao |  ARG |
SWM | Olympics | 1960—1968 | 100 m butterfly – 24 April 1962 - 31 July 1967: 58.4 (24 April 1962; Rio de Janeiro, BRA), 57.0 (27 April 1962; Rio de Janeiro, BRA) |
| Boris Nik'it'ini |  GEOURS |
SWM | Olympics | 1956—1960 | 4×200 m freestyle relay – 4 November 1956 - 3 December 1956: 8:24.5 (4 November 1956; Moskva, URS) |
| Gennady Nikolayev | URS TKM |
SWM | Olympics | 1956—1960 | 4×200 m freestyle relay – 4 November 1956 - 3 December 1956: 8:24.5 (4 November 1956; Moskva, URS) |
| Carola Nitschke | GDR |
SWM | Olympics | 1976 | 100 m breaststroke – 2 June 1976 - 22 July 1976: 1:11.93 (2 June 1976; Ost-Berlin, GDR); 4×100 m medley relay – 5 June 1976 - 18 July 1976: 4:13.41 (5 June 1976; Ost-Berlin, GDR) |
| Ute Noack | GDRGER |
SWM | Olympics | 1964 | 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR) (competed for East Germany) |
| Martha Norelius | USA |
SWM | Olympics | 1924—1928 | 200 m freestyle – 28 February 1926 - 6 March 1930: 2:40.6 (28 February 1926; Miami, USA); 400 m freestyle – 23 January 1927 - 3 February 1931: 5:51.4 (23 January 1927; Coral Gables, USA), 5:49.6 (30 June 1928; New York City, USA), 5:42.8 (6 August 1928; Amsterdam, NED), 5:39.2 (27 August 1928; Wien, AUT); 800 m freestyle – 7 August 1926 - 10 August 1929: 12:47.2 (7 August 1926; Philadelphia, USA), 12:17.8 (31 July 1927; Massapequa, USA); 1500 m freestyle – 28 July 1927 - 15 July 1931: 23:44.6 (28 July 1927; Massapequa, USA); 4×100 m freestyle relay – 9 August 1928 - 12 August 1932: 4:47.6 (9 August 1928; Amsterdam, NED) |
| Doug Northway | USA |
SWM | Olympics | 1972—1976 | 4×200 m freestyle relay – 21 July 1976 - 21 July 1976: 7:30.33 (21 July 1976; Montréal, CAN) |
| Ilona Novák | HUN |
SWM | Olympics | 1948—1952 | 4×100 m freestyle relay – 1 August 1952 - 20 October 1956: 4:24.4 (1 August 1952; Helsinki, FIN); 3×100 m medley relay – 14 October 1950 - 2 December 1950: 3:41.2 (14 October 1950; Budapest, HUN) |
| Lacey Nymeyer | USA |
SWM | Olympics | 2008 | 4×200 m freestyle relay – 29 March 2007 - 14 August 2008: 7:50.09 (29 March 2007; Melbourne, AUS) |
| Ian O'Brien | AUS |
SWM | Olympics | 1964—1968 | 200 m breaststroke – 15 October 1964 - 3 April 1968: 2:27.8 (15 October 1964; Tokyo, JPN) |
| Mollie O'Callaghan | AUS |
SWM | Olympics | 2020 | 200 m freestyle – 26 July 2023 - present: 1:52.85 (26 July 2023; Fukuoka, JPN); 4×100 m freestyle relay – 23 July 2023 - present: 3:27.96 (23 July 2023; Fukuoka, JPN); 4×200 m freestyle relay – 27 July 2023 - present: 7:37.50 (27 July 2023; Fujuoka, JPN); 4×100 m freestyle mixed relay – 24 June 2022 - present: 3:19.38 (24 June 2022; Budapest, HUN); 4×200 m freestyle relay – 31 July 2022 - present: 7:39.29 (31 July 2022; Birmingham, GBR); 4×100 m freestyle mixed relay – 29 July 2023 - present: 3:18.83 (29 July 2023; Fukuoka, JPN) |
| Siobhan-Marie O'Connor | GBR |
SWM | Olympics | 2012—2016 | 4×100 m medley relay – 5 August 2015 - 26 July 2017: 3:41.71 (5 August 2015; Kazan, RUS) |
| Wally O'Connor | USA |
SWM/WPO | Olympics | 1924—1936 | 4×200 m freestyle relay – 20 July 1924 - 4 September 1927: 9:53.4 (20 July 1924; Paris, FRA) |
| Kevin O'Halloran | AUS |
SWM | Olympics | 1956 | 4×200 m freestyle relay – 3 December 1956 - 22 July 1959: 8:23.6 (3 December 1956; Melbourne, AUS) |
| Frank O'Neill | AUS |
SWM | Olympics | 1952 | 400 m medley – 17 January 1953 - 24 April 1953: 5:48.5 (17 January 1953; Sydney, AUS), 5:43.0 (24 February 1953; Sydney, AUS) |
| Susie O'Neill | AUS |
SWM | Olympics / Administrator | 1992—2005 | 200 m butterfly – 17 May 2000 - 4 August 2002: 2:05.81 (17 May 2000; Sydney, AUS) |
| Yukiaki Okabe | JPN |
SWM | Olympics | 1964 | 4×200 m freestyle relay – 21 April 1963 - 10 August 1963: 8:09.8 (21 April 1963; Tokyo, JPN) |
| Jon Olsen | USA |
SWM | Olympics | 1992—1996 | 4×100 m freestyle relay – 12 August 1995 - 16 September 2000: 3:15.11 (12 August 1995; Atlanta, USA); 4×100 m medley relay – 31 July 1992 - 26 July 1996: 3:36.93 tied (31 July 1992; Barcelona, ESP) |
| Albina Osipowich | USA |
SWM | Olympics | 1928 | 100 m freestyle – 25 August 1929 - 14 March 1930: 1:09.4 (25 August 1929; San Francisco, USA); 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) |
| Per-Olof Östrand |  SWE |
SWM | Olympics | 1948—1956 | 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) |
| Kristin Otto | GDR |
SWM | Olympics | 1988 | 100 m freestyle – 19 August 1986 - 1 March 1992: 54.73 (19 August 1986; Madrid, ESP); 200 m freestyle – 23 May 1984 - 18 June 1986: 1:57.75 (23 May 1984; Magdeburg, GDR); 4×100 m freestyle relay – 21 August 1984 - 28 July 1992: 3:42.41 (21 August 1984; Moskva, URS), 3:40.57 (19 August 1986; Madrid, ESP); 4×200 m freestyle relay – 22 August 1983 - 17 August 1986: 8:02.27 (22 August 1983; Roma, ITA); 4×100 m medley relay – 6 August 1982 - 26 August 1983: 4:05.88 (6 August 1982; Guayaquil, ECU) |
| Yoshi Oyakawa | USA |
SWM | Olympics | 1952—1956 | 100 m backstroke – 1 April 1954 - 27 February 1955: 1:02.8 (1 April 1954; New Haven, USA) |
| Éva Pajor | HUN |
SWM | Olympics | 1956 | 4×100 m medley relay – 3 September 1955 - 19 November 1956: 4:57.8 (3 September 1955; Budapest, HUN) |
| Kylie Palmer | AUS |
SWM | Olympics | 2008—2012 | 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN) |
| Pang Jiaying | CHN |
SWM | Olympics | 2004—2012 | 4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA) |
| Nikolay Pankin | RUSURS |
SWM | Olympics | 1968—1976 | 100 m breaststroke – 18 April 1968 - 29 August 1972: 1:06.2 (18 April 1968; Moskva, URS), 1:05.8 (20 April 1969; Magdeburg, GDR); 200 m breaststroke – 22 March 1969 - 22 August 1970: 2:26.5 (22 March 1969; Minsk, URS), 2:25.4 (19 April 1969; Magdeburg, GDR) |
| Denis Pankratov | RUSEUN |
SWM | Olympics | 1992—2000 | 100 m butterfly – 23 August 1995 - 9 October 1997: 52.32 (23 August 1995; Wien, AUT) (competed for Russia), 52.27 (24 July 1996; Atlanta, USA) (competed for Russia); 200 m butterfly – 14 June 1995 - 17 June 2000: 1:55.22 (14 June 1995; Canet-en-Roussillon, FRA) (competed for Russia) |
| Todd Pearson | AUS |
SWM | Olympics | 2000—2004 | 4×200 m freestyle relay – 19 September 2000 - 27 July 2001: 7:07.05 (19 September 2000; Sydney, AUS) |
| Adam Peaty | GBR |
SWM | Olympics | 2016—2020 | 50 m breaststroke – 4 August 2015 - present: 26.42 (4 August 2015; Kazan, RUS), 26.10 (25 July 2017; Budapest, HUN), 25.95 (25 July 2017; Budapest, HUN); 100 m breaststroke – 17 April 2015 - present: 57.92 (17 April 2015; London, GBR), 57.55 (6 August 2016; Rio de Janeiro, BRA), 57.13 (7 August 2016; Rio de Janeiro, BRA), 57.10 (4 August 2018; Glasgow, GBR), 56.88 (21 July 2019; Gwangju, KOR); 4×100 m medley mixed relay – 19 August 2014 - 26 July 2017 and 31 July 2021 - present: 3:44.02 (19 August 2014; Berlin, GER), 3:41.71 (5 August 2015; Kazan, RUS), 3:38.41 (31 July 2021; Tokyo, JPN) |
| Heidi Pechstein | GDRGER |
SWM | Olympics | 1960—1964 | 4×100 m medley relay – 23 August 1962 - 28 June 1964: 4:40.1 (23 August 1962; Leipzig, GDR) (competed for East Germany) |
| Rikke Møller Pedersen |  DEN |
SWM | Olympics | 2012—2016 | 200 m breaststroke – 1 August 2013 - 30 July 2021: 2:19.11 (1 August 2013; Barcelona, ESP) |
| Sue Pedersen | USA |
SWM | Olympics | 1968 | 200 m freestyle – 6 July 1968 - 2 August 1968: 2:09.5 (6 July 1968; Santa Clara, USA); 4×100 m medley relay – 14 September 1968 - 1 September 1970: 4:28.1 (14 September 1968; Colorado Springs, USA) |
| Aaron Peirsol | USA |
SWM | Olympics | 2000—2008 | 100 m backstroke – 21 August 2004 - 1 July 2009 and 8 July 2009 - 13 August 2016: 53.45 (21 August 2004; Athina, GRE), 53.17 (2 April 2005; Indianapolis, USA), 52.98 (27 March 2007; Melbourne, AUS), 52.89 (1 July 2008; Omaha, USA), 52.54 (12 August 2008; Beijing, CHN), 51.94 (8 July 2009; Indianapolis, USA); 200 m backstroke – 20 March 2002 - 30 March 2007, 4 July 2008 - 15 August 2008, and 11 July 2009 - present: 1:55.15 (20 March 2002; Minneapolis, USA), 1:54.74 (12 July 2004; Long Beach, USA), 1:54.66 (29 July 2005; Montréal, CAN), 1:54.44 (19 August 2006; Victoria, CAN), 1:54.32 tied (4 July 2008; Omaha, USA), 1:53.08 (11 July 2009; Indianapolis, USA), 1:51.92 (31 July 2009; Roma, ITA); 4×100 m medley relay – 29 August 2002 - 1 August 2021: 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), 3:27.28 (2 August 2009; Roma, ITA) |
| Federica Pellegrini |  ITA |
SWM | Olympics / Other / Administrator | 2004—2021 | 200 m freestyle – 27 March 2007 - 28 March 2007 and 11 August 2008 - 26 July 2023: 1:56.47 (27 March 2007; Melbourne, AUS), 1:55.45 (11 August 2008; Beijing, CHN), 1:54.82 (13 August 2008; Beijing, CHN), 1:54.47 (8 March 2009; Riccione, ITA), 1:53.67 (28 July 2009; Roma, ITA), 1:52.98 (29 July 2009; Roma, ITA); 400 m freestyle – 24 March 2008 - 16 March 2009 and 27 June 2009 - 9 August 2014: 4:01.53 (24 March 2008; Eindhoven, NED), 4:00.41 (27 June 2009; Pescara, ITA), 3:59.15 (26 July 2009; Roma, ITA) |
| Kieren Perkins | AUS |
SWM | Olympics / Other | 1992—2000 | 400 m freestyle – 3 April 1992 - 29 July 1992 and 11 September 1994 - 22 August 1999: 3:46.47 (3 April 1992; Canberra, AUS), 3:43.80 (11 September 1994; Roma, ITA); 800 m freestyle – 25 August 1991 - 26 March 2001: 7:47.85 (25 August 1991; Edmonton, CAN), 7:46.60 (16 February 1992; Sydney, AUS), 7:46.00 (24 August 1994; Victoria, CAN); 1500 m freestyle – 5 April 1992 - 29 July 2001: 14:48.40 (5 April 1992; Canberra, AUS), 14:43.48 (31 July 1992; Barcelona, ESP), 14:41.66 (24 August 1994; Victoria, CAN) |
| Marek Petrusewicz |  POL |
SWM | Olympics | 1952 | 100 m breaststroke – 18 October 1953 - 24 February 1954 and 23 May 1954 - 1 October 1955: 1:10.9 (18 October 1953; Wrocław, POL), 1:09.8 (23 May 1954; Wrocław, POL) |
| Kim Peyton | USA |
SWM | Olympics | 1972—1976 | 4×100 m freestyle relay – 9 September 1971 - 30 August 1972, 31 August 1974 - 26 July 1975, and 25 July 1976 - 26 August 1978: 4:00.7 (9 September 1971; Minsk, URS), 3:58.11 (18 August 1972; Knoxville, USA), 3:51.99 (31 August 1974; Concord, USA), 3:44.82 (25 July 1976; Montréal, CAN) |
| Michael Phelps | USA |
SWM | Olympics / Other | 2000—2016 | 200 m freestyle – 27 March 2007 - 28 July 2009: 1:43.86 (27 March 2007; Melbourne, AUS), 1:42.96 (12 August 2008; Beijing, CHN); 100 m butterfly – 25 July 2003 - 26 July 2003, 9 July 2009 - 31 July 2009, and 1 August 2009 - 26 July 2019: 51.47 (25 July 2003; Barcelona, ESP), 50.22 (9 July 2009; Indianapolis, USA), 49.82 (1 August 2009; Roma, ITA); 200 m butterfly – 30 March 2001 - 24 July 2019: 1:54.92 (30 March 2001; Austin, USA), 1:54.58 (24 July 2001; Fukuoka, JPN), 1:53.93 (22 July 2003; Barcelona, ESP), 1:53.80 (17 August 2006; Victoria, CAN), 1:53.71 (17 February 2007; Columbia, USA), 1:52.09 (28 March 2007; Melbourne, AUS), 1:52.03 (13 August 2008; Beijing, CHN), 1:51.51 (21 July 2009; Roma, ITA); 200 m medley – 29 June 2003 - 30 July 2009: 1:57.94 (29 June 2003; Santa Clara, USA), 1:57.52 (24 July 2003; Barcelona, ESP), 1:56.04 (25 July 2003; Barcelona, ESP), 1:55.94 (9 August 2003; College Park, USA), 1:55.84 (20 August 2006; Victoria, CAN), 1:54.98 (29 March 2007; Melbourne, AUS), 1:54.80 (4 July 2008; Omaha, USA), 1:54.23 (15 August 2008; Beijing, CHN); 400 m medley – 15 August 2002 - 23 July 2023: 4:11.09 (15 August 2002; Fort Lauderdale, USA), 4:10.73 (7 April 2003; Indianapolis, USA), 4:09.09 (27 July 2003; Barcelona, ESP), 4:08.41 (7 July 2004; Long Beach, USA), 4:08.26 (14 August 2004; Athina, GRE), 4:06.22 (1 April 2007; Melbourne, AUS), 4:05.25 (29 June 2008; Omaha, USA), 4:03.84 (10 August 2008; Beijing, CHN); 4×100 m freestyle relay – 19 August 2006 - 10 August 2008 and 11 August 2008 - 26 September 2013: 3:12.46 (19 August 2006; Victoria, CAN), 3:08.24 (11 August 2008; Beijing, CHN); 4×200 m freestyle relay – 30 March 2007 - present: 7:03.24 (30 March 2007; Melbourne, AUS), 6:58.56 (13 August 2008; Beijing, CHN), 6:58.55 (31 July 2009; Roma, ITA); 4×100 m medley relay – 29 August 2002 - 27 July 2003 and 17 August 2008 - 1 August 2021: 3:33.48 (29 August 2002; Yokohama, JPN), 3:29.34 (17 August 2008; Beijing, CHN), 3:27.28 (2 August 2009; Roma, ITA) |
| Zus Philipsen-Braun | NED |
SWM | Olympics | 1928—1932 | 100 m backstroke – 11 August 1928 - 27 February 1930: 1:21.6 (11 August 1928; Amsterdam, NED), 1:21.4 (20 April 1929; Bruxelles, BEL), 1:21.0 (27 November 1929; Den Haag, NED); 200 m backstroke – 24 November 1928 - 1 February 1930: 2:59.2 (24 November 1928; Bruxelles, BEL) |
| Annamay Pierse | CAN |
SWM | Olympics | 2008 | 200 m breaststroke – 30 July 2009 - 1 August 2012: 2:20.12 (30 July 2009; Roma, ITA) |
| Janine Pietsch | GER |
SWM | Olympics | 2004 | 50 m backstroke – 25 May 2005 - 28 March 2007: 28.19 (25 May 2005; Berlin, GER) |
| Carly Piper | USA |
SWM | Olympics | 2004 | 4×200 m freestyle relay – 18 August 2004 - 3 August 2006: 7:53.42 (18 August 2004; Athina, GRE) |
| Sue Pitt | USA |
SWM | Olympics | 1964 | 200 m butterfly – 27 July 1963 - 12 July 1964: 2:29.1 (27 July 1963; Philadelphia, USA) |
| Werner Plath | GER |
SWM | Olympics | 1936 | 4×100 m freestyle relay – 1 April 1938 - 14 July 1938: 4:02.4 (1 April 1938; København, DEN) |
| Andrea Pollack | GDR |
SWM | Olympics | 1976—1980 | 100 m butterfly – 3 July 1978 - 11 April 1980: 59.46 (3 July 1978; Ost-Berlin, GDR); 200 m butterfly – 9 April 1978 - 7 July 1979: 2:11.20 (9 April 1978; Leningrad, URS), 2:09.87 (4 July 1978; 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 – 5 June 1976 - 6 August 1982: 4:13.41 (5 June 1976; Ost-Berlin, GDR), 4:07.95 (18 July 1976; Montréal, CAN), 4:06.67 (20 July 1980; Moskva, URS) |
| Igor Polyansky | RUSURS |
SWM | Olympics | 1988 | 100 m backstroke – 15 March 1988 - 12 August 1988: 55.17 (15 March 1988; Tallinn, URS), 55.16 (16 March 1988; Tallinn, URS), 55.00 (16 July 1988; Moskva, URS); 200 m backstroke – 3 March 1985 - 13 August 1991: 1:58.14 (3 March 1985; Erfurt, GDR) |
| Aleksandr Popov | RUSEUN |
SWM | Olympics / Other / Administrator | 1992—2016 | 50 m freestyle – 1 June 2000 - 17 February 2008: 21.64 (1 June 2000; Moskva, RUS) (competed for Russia); 100 m freestyle – 18 June 1994 - 16 September 2000: 48.21 (18 June 1994; Monte Carlo, MON) (competed for Russia) |
| Veronika Popova-Andrusenko |  ROCRUS |
SWM | Olympics | 2012—2020 | 4×100 m medley mixed relay – 16 May 2014 - 19 August 2014: 3:48.74 (16 May 2014; Moskva, RUS) |
| David Popovici |  ROU |
SWM | Olympics | 2020 | 100 m freestyle – 13 August 2022 - present: 46.86 (13 August 2022; Roma, ITA) |
| Udo Poser | GDR |
SWM | Olympics | 1968—1972 | 4×100 m medley relay – 8 September 1970 - 3 September 1971: 3:54.4 (8 September 1970; Barcelona, ESP) |
| Ricardo Prado | BRA |
SWM | Olympics | 1980—1984 | 400 m medley – 8 August 1982 - 23 May 1984: 4:19.78 (8 August 1982; Guayaquil, ECU) |
| Georgy Prokopenko | URSUKR |
SWM | Olympics | 1960—1964 | 100 m breaststroke – 26 March 1964 - 8 November 1967: 1:07.4 (26 March 1964; Baku, URS), 1:06.9 (3 September 1964; Moskva, URS) |
| Galina Prozumenshchikova-Stepanova | URSUKR |
SWM | Olympics | 1964—1972 | 100 m breaststroke – 17 July 1966 - 28 December 1966: 1:15.7 (17 July 1966; Leningrad, URS); 200 m breaststroke – 11 April 1964 - 9 July 1967: 2:47.7 (11 April 1964; Blackpool, GBR), 2:45.4 (17 May 1964; Ost-Berlin, GDR), 2:45.3 (12 September 1965; Groningen, NED), 2:40.8 (22 August 1966; Utrecht, NED) |
| Vladimir Pyshnenko | RUSEUN |
SWM | Olympics | 1992—1996 | 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP) (competed for the Unified Team) |
| Roger Pyttel | GDR |
SWM | Olympics | 1972—1980 | 200 m butterfly – 3 June 1976 - 18 July 1976: 2:00.21 (3 June 1976; Ost-Berlin, GDR), 1:59.63 (3 June 1976; Ost-Berlin, GDR) |
| Qi Hui | CHN |
SWM | Olympics | 2000—2008 | 200 m breaststroke – 13 April 2001 - 10 July 2004: 2:22.99 tied (13 April 2001; Hangzhou, CHN) |
| Qin Haiyang | CHN |
SWM | Olympics | 2020 | 200 m breaststroke – 28 July 2023 - present: 2:05.48 (28 July 2023; Fukuoka, JPN) |
| Megan Quann-Jendrick | USA |
SWM | Olympics | 2000—2008 | 4×100 m medley relay – 23 September 2000 - 21 August 2004: 3:58.30 (23 September 2000; Sydney, AUS) |
| Erich Rademacher | GER |
SWM/WPO | Olympics | 1928—1932 | 100 m breaststroke – 5 April 1925 - 5 December 1926: 1:15.9 (5 April 1925; Leipzig, GER); 200 m breaststroke – 12 November 1922 - 21 March 1924 and 7 April 1924 - 27 July 1929: 2:54.4 (12 November 1922; Amsterdam, NED), 2:50.4 (7 April 1924; Magdeburg, GER), 2:48.0 (11 March 1927; Bruxelles, BEL) |
| Joachim Rademacher | GER |
WPO | Olympics | 1928—1932 | 4×200 m freestyle relay – 4 September 1927 - 11 August 1928: 9:49.6 (4 September 1927; Bologna, ITA) |
| Paul Radmilovic | GBR |
SWM/WPO | Olympics / 1906 / Coach | 1906—1928 | 4×200 m freestyle relay – 24 July 1908 - 12 July 1912: 10:55.6 (24 July 1908; London, GBR) |
| Marilyn Ramenofsky | USA |
SWM | Olympics | 1964 | 400 m freestyle – 11 July 1964 - 14 August 1965: 4:42.0 (11 July 1964; Los Altos, USA), 4:41.7 (1 August 1964; Palo Alto, USA), 4:39.5 (31 August 1964; New York City, USA) |
| Nancy Ramey | USA |
SWM | Olympics | 1956 | 100 m butterfly – 28 June 1958 - 2 April 1961: 1:09.6 (28 June 1958; Los Angeles, USA), 1:09.1 (2 September 1959; Chicago, USA); 200 m butterfly – 29 June 1958 - 13 September 1958: 2:40.5 (29 June 1958; Los Angeles, USA) |
| Martha Randall | USA |
SWM | Olympics | 1964 | 400 m freestyle – 14 August 1965 - 30 June 1967: 4:39.2 (14 August 1965; Maumee, USA), 4:38.0 (26 August 1965; Monte Carlo, MON); 4×100 m medley relay – 28 September 1964 - 18 October 1964: 4:34.6 (28 September 1964; Los Angeles, USA) |
| Amanda Reason | CAN |
SWM | Olympics | 2012 | 50 m breaststroke – 8 July 2009 - 2 August 2009: 30.23 (8 July 2009; Montréal, CAN) |
| Rica Reinisch | GDR |
SWM | Olympics | 1980 | 100 m backstroke – 20 July 1980 - 24 August 1984: 1:01.51 tied (20 July 1980; Moskva, URS), 1:01.50 (22 July 1980; Moskva, URS), 1:00.86 (23 July 1980; Moskva, URS); 200 m backstroke – 27 July 1980 - 8 August 1982: 2:11.77 (27 July 1980; Moskva, URS); 4×100 m medley relay – 20 July 1980 - 6 August 1982: 4:06.67 (20 July 1980; Moskva, URS) |
| Steve Rerych | USA |
SWM | Olympics | 1968 | 4×100 m freestyle relay – 3 September 1968 - 23 August 1970: 3:32.5 (3 September 1968; Long Beach, USA), 3:31.7 (17 October 1968; Ciudad de México, MEX) |
| Steph Rice | AUS |
SWM | Olympics / Other | 2008—2012 | 200 m medley – 25 March 2008 - 26 July 2009: 2:08.92 (25 March 2008; Sydney, AUS), 2:08.45 (13 August 2008; Beijing, CHN); 400 m medley – 22 March 2008 - 29 June 2008 and 10 August 2008 - 28 July 2012: 4:31.46 (22 March 2008; Sydney, AUS), 4:29.45 (10 August 2008; Beijing, CHN); 4×200 m freestyle relay – 14 August 2008 - 30 July 2009: 7:44.31 (14 August 2008; Beijing, CHN) |
| Walter Richardson | USA |
SWM | Olympics | 1964 | 4×100 m medley relay – 24 August 1963 - 16 October 1964: 4:00.1 (24 August 1963; Osaka, JPN) |
| Ulrike Richter | GDR |
SWM | Olympics | 1976 | 100 m backstroke – 18 August 1973 - 31 January 1974, 8 July 1974 - 3 June 1976, and 5 June 1976 - 22 July 1980: 1:05.39 (18 August 1973; Utrecht, NED), 1:04.99 (4 September 1973; Beograd, YUG), 1:04.43 (8 July 1974; Rostock, GDR), 1:04.09 (22 August 1974; Wien, AUT), 1:03.30 (23 August 1974; Wien, AUT), 1:03.08 (23 August 1974; Wien, AUT), 1:02.98 (1 September 1974; Concord, USA), 1:02.60 (14 March 1976; Tallinn, URS), 1:01.51 (5 June 1976; Ost-Berlin, GDR); 200 m backstroke – 7 July 1974 - 27 April 1975: 2:18.41 (7 July 1974; Rostock, GDR), 2:17.35 (25 August 1974; Wien, AUT); 4×100 m medley relay – 4 September 1973 - 5 June 1976 and 18 July 1976 - 20 July 1980: 4:16.84 (4 September 1973; Beograd, YUG), 4:13.78 (24 August 1974; Wien, AUT), 4:07.95 (18 July 1976; Montréal, CAN) |
| Brenton Rickard | AUS |
SWM | Olympics | 2008—2012 | 100 m breaststroke – 27 July 2009 - 29 July 2012: 58.58 (27 July 2009; Roma, ITA) |
| Sam Riley | AUS |
SWM | Olympics | 1992—1996 | 100 m breaststroke – 9 September 1994 - 4 March 1996: 1:07.69 (9 September 1994; Roma, ITA) |
| Wally Ris | USA |
SWM | Olympics | 1948 | 4×200 m freestyle relay – 3 August 1948 - 18 August 1949: 8:46.0 (3 August 1948; London, GBR) |
| Carl Robie | USA |
SWM | Olympics | 1964—1968 | 200 m butterfly – 19 August 1961 - 20 February 1962, 11 August 1962 - 23 October 1962, and 18 March 1963 - 29 March 1964: 2:12.6 (19 August 1961; Los Angeles, USA), 2:12.4 (11 August 1962; Cuyahoga Falls, USA), 2:10.8 (11 August 1962; Cuyahoga Falls, USA), 2:08.2 (18 March 1963; Tokyo, JPN) |
| Peter Rocca | USA |
SWM | Olympics | 1976 | 4×100 m medley relay – 22 July 1976 - 22 July 1976: 3:47.28 (22 July 1976; Montréal, CAN) |
| Greg Rogers | AUS |
SWM | Olympics | 1968—1972 | 4×200 m freestyle relay – 24 July 1970 - 28 August 1970: 7:50.8 (24 July 1970; Edinburgh, GBR) |
| Giaan Rooney | AUS |
SWM | Olympics | 2000—2004 | 4×100 m medley relay – 21 August 2004 - 21 March 2006: 3:57.32 (21 August 2004; Athina, GRE) |
| Murray Rose | AUS |
SWM | Olympics | 1956—1960 | 400 m freestyle – 27 October 1956 - 15 January 1958 and 17 August 1962 - 31 July 1964: 4:27.0 (27 October 1956; Melbourne, AUS), 4:25.9 (12 January 1957; Sydney, AUS), 4:13.4 (17 August 1962; Chicago, USA); 800 m freestyle – 26 August 1962 - 3 August 1966: 8:51.5 (26 August 1962; Los Altos, USA); 1500 m freestyle – 30 October 1956 - 5 December 1956 and 2 August 1964 - 2 September 1964: 17:59.5 (30 October 1956; Melbourne, AUS), 17:01.8 (2 August 1964; Palo Alto, USA); 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) |
| Norman Ross | USA |
SWM/WPO | Olympics | 1920 | 200 m freestyle – 24 November 1916 - 10 April 1920: 2:21.6 (24 November 1916; San Francisco, USA); 400 m freestyle – 9 October 1919 - 9 April 1922: 5:14.6 (9 October 1919; Los Angeles, USA), 5:14.4 (25 September 1921; Brighton Beach, USA); 800 m freestyle – 10 January 1920 - 13 January 1923: 11:24.2 (10 January 1920; Sydney, AUS); 4×200 m freestyle relay – 29 August 1920 - 20 July 1924: 10:04.4 (29 August 1920; Antwerpen, BEL) |
| Dick Roth | USA |
SWM | Olympics | 1964 | 200 m medley – 2 August 1964 - 24 July 1966: 2:15.5 (2 August 1964; Palo Alto, USA), 2:14.9 (15 August 1964; Maumee, USA); 400 m medley – 31 July 1964 - 3 April 1968: 4:48.6 (31 July 1964; Palo Alto, USA), 4:45.4 (14 October 1964; Tokyo, JPN) |
| Keena Rothhammer | USA |
SWM | Olympics | 1972 | 400 m freestyle – 22 August 1973 - 28 June 1974: 4:18.07 (22 August 1973; Louisville, USA); 800 m freestyle – 3 September 1972 - 9 September 1973: 8:53.68 (3 September 1972; München, FRG) |
| Jeff Rouse | USA |
SWM | Olympics | 1992—1996 | 100 m backstroke – 25 August 1991 - 31 July 1992: 53.93 (25 August 1991; Edmonton, CAN), 100 m backstroke – 31 July 1992 - 24 August 1999: 53.86 (31 July 1992; Barcelona, ESP); 4×100 m medley relay – 31 July 1992 - 23 September 2000: 3:36.93 tied (31 July 1992; Barcelona, ESP), 3:34.84 (26 July 1996; Atlanta, USA) |
| Norbert Rózsa | HUN |
SWM | Olympics | 1992—2000 | 100 m breaststroke – 7 January 1991 - 3 August 1993: 1:01.49 tied (7 January 1991; Perth, AUS), 1:01.45 (7 January 1991; Perth, AUS), 1:01.29 (20 August 1991; Athina, GRE) |
| Thomas Rupprath | GER |
SWM | Olympics | 2000—2008 | 50 m backstroke – 27 July 2003 - 2 April 2008: 24.80 (27 July 2003; Barcelona, ESP) |
| Doug Russell | USA |
SWM | Olympics | 1968 | 100 m backstroke – 28 August 1967 - 28 August 1967: 59.5 (28 August 1967; Tokyo, JPN); 100 m butterfly – 29 August 1967 - 7 October 1967: 56.3 tied (29 August 1967; Tokyo, JPN); 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) |
| Sylvia Ruuska | USA |
SWM | Olympics | 1956—1960 | 200 m medley – 16 August 1958 - 13 May 1961: 2:43.2 (16 August 1958; Fresno, USA), 2:40.3 (14 January 1959; Hobart, AUS); 400 m medley – 27 June 1958 - 15 July 1960: 5:46.6 (27 June 1958; Los Angeles, USA), 5:43.7 (1 August 1958; Topeka, USA), 5:41.1 (24 February 1959; Melbourne, AUS), 5:40.2 (17 July 1959; Redding, USA) |
| Roy Saari | USA |
SWM | Olympics | 1964 | 1500 m freestyle – 17 August 1963 - 2 August 1964 and 2 September 1964 - 15 August 1965: 17:05.5 (17 August 1963; Tokyo, JPN), 16:58.7 (2 September 1964; New York City, USA); 4×200 m freestyle relay – 19 August 1963 - 28 September 1964 and 18 October 1964 - 24 July 1970: 8:03.7 (19 August 1963; Tokyo, JPN), 7:52.1 (18 October 1964; Tokyo, JPN) |
| Yevgeny Sadovy | RUSEUN |
SWM | Olympics | 1992 | 400 m freestyle – 29 July 1992 - 11 September 1994: 3:45.00 (29 July 1992; Barcelona, ESP); 4×200 m freestyle relay – 27 July 1992 - 13 September 1998: 7:11.95 (27 July 1992; Barcelona, ESP) |
| Rich Saeger | USA |
SWM | Olympics | 1984 | 4×200 m freestyle relay – 30 July 1984 - 30 July 1984: 7:18.87 (30 July 1984; Los Angeles, USA) |
| Vladimir Salnikov | RUSURS |
SWM | Olympics | 1976—1988 | 400 m freestyle – 6 April 1979 - 15 July 1980 and 12 March 1982 - 27 June 1985: 3:51.41 (6 April 1979; Potsdam, GDR), 3:51.40 (19 August 1979; Moskva, URS), 3:51.20 (29 February 1980; Potsdam, GDR), 3:49.57 (12 March 1982; Moskva, URS), 3:49.57 tied (14 July 1982; Kyiv, URS), 3:48.32 (19 February 1983; Moskva, URS); 800 m freestyle – 23 March 1979 - 25 August 1991: 7:56.49 (23 March 1979; Minsk, URS), 7:52.83 (14 February 1982; Moskva, URS), 7:52.33 (14 July 1983; Los Angeles, USA), 7:50.64 (4 July 1986; Moskva, URS); 1500 m freestyle – 22 July 1980 - 13 January 1991: 14:58.27 (22 July 1980; Moskva, URS), 14:56.35 (13 March 1982; Moskva, URS), 14:54.76 (22 February 1983; Moskva, URS) |
| Paul Samson | USA |
SWM/WPO | Olympics | 1928 | 4×200 m freestyle relay – 11 August 1928 - 11 August 1928: 9:38.8 (11 August 1928; Amsterdam, NED) |
| Daniela Samulski | GER |
SWM | Olympics | 2000—2008 | 50 m backstroke – 26 June 2009 - 29 July 2009: 27.61 (26 June 2009; Berlin, GER), 27.39 (29 July 2009; Roma, ITA); 4×200 m freestyle relay – 3 August 2006 - 29 March 2007: 7:50.82 (3 August 2006; Budapest, HUN) |