Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Connor Jaeger | SWM | Olympics | 2012—2016 | 1–0–2 2014 Gold Coast gold: 1500 m freestyle, bronze: 400 m freestyle and 800 m freestyle | |
| Tom Jager | SWM | Olympics | 1984—1992 | 5–0–0 1987 Brisbane gold: 50 m freestyle; 1989 Tokyo gold: 50 m freestyle and 4×100 m freestyle relay; 1991 Edmonton gold: 50 m freestyle and 4×100 m freestyle relay | |
| Riley Janes | SWM | Olympics | 2004 | 0–0–1 2002 Yokohama bronze: 4×100 m medley relay | |
| Barbara Jardin | SWM | Olympics | 2012 | 0–0–1 2010 Irvine bronze: 4×200 m freestyle relay | |
| Rhi Jeffrey | SWM | Olympics | 2004 | 0–1–0 2002 Yokohama silver: 4×100 m freestyle relay | |
| Toni Jeffs | SWM | Olympics | 1992 | 0–0–1 1991 Edmonton bronze: 50 m freestyle | |
| Larsen Jensen | SWM | Olympics | 2004—2008 | 0–1–1 2002 Yokohama silver: 800 m freestyle, bronze: 1500 m freestyle | |
| Jeong Seul-Gi | SWM | Olympics | 2008 | 0–0–1 2006 Victoria bronze: 200 m breaststroke | |
| Brian Johns | SWM | Olympics | 2000—2008 | 0–1–2 1999 Sydney bronze: 4×200 m freestyle relay; 2002 Yokohama bronze: 4×200 m freestyle relay; 2006 Victoria silver: 4×200 m freestyle relay | |
| Emma Johnson | SWM | Olympics | 1996 | 0–1–0 1995 Atlanta silver: 4×200 m freestyle relay | |
| Jenna Johnson | SWM | Olympics | 1984 | 4–2–2 1985 Tokyo gold: 100 m freestyle and 4×100 m freestyle relay, silver: 50 m freestyle; 1987 Brisbane gold: 4×100 m freestyle relay, 1987 Brisbane silver: 100 m freestyle, bronze: 100 m butterfly; 1989 Tokyo gold: 4×100 m medley relay, bronze: 100 m butterfly | |
| Susan Johnson | SWM | Olympics | 1988 | 1–0–1 1987 Brisbane gold: 4×100 m medley relay, bronze: 200 m breaststroke | |
| Mark Johnston | SWM | Olympics | 2000—2004 | 0–0–2 1999 Sydney bronze: 4×200 m freestyle relay; 2002 Yokohama bronze: 4×200 m freestyle relay | |
| Cullen Jones | SWM | Olympics | 2008—2012 | 2–0–0 2006 Victoria gold: 50 m freestyle and 4×100 m freestyle relay | |
| Leisel Jones | SWM | Olympics | 2000—2012 | 1–4–1 2002 Yokohama gold: 4×100 m medley relay, silver: 200 m breaststroke; 2010 Irvine silver: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay, bronze: 50 m breaststroke | |
| Shaun Jordan | SWM | Olympics | 1988—1992 | 1–0–1 1991 Edmonton gold: 4×100 m freestyle relay, bronze: 100 m freestyle | |
| Dan Jorgensen | SWM | Olympics | 1988—1992 | 2–4–1 1985 Tokyo silver: 1500 m freestyle; 1987 Brisbane silver: 1500 m freestyle; 1989 Tokyo gold: 4×200 m freestyle relay, silver: 400 m freestyle and 800 m freestyle; 1991 Edmonton gold: 4×200 m freestyle relay bronze: 400 m freestyle | |
| Lars Jorgensen | SWM | Olympics | 1988 | 0–1–0 1989 Tokyo silver: 1500 m freestyle | |
| Kara Lynn Joyce | SWM | Olympics | 2004—2012 | 2–0–0 2006 Victoria gold: 50 m freestyle and 4×100 m freestyle relay | |
| Chase Kalisz | SWM | Olympics | 2016—2024 | 2–0–1 2014 Gold Coast bronze: 400 m medley; 2018 Tokyo gold: 200 m medley and 400 m medley | |
| Yoko Kando | SWM | Olympics | 1992 | 0–0–3 1991 Edmonton bronze: 100 m butterfly, 200 m butterfly, and 4×100 m medley relay | |
| Rie Kaneto | SWM | Olympics | 2008—2016 | 0–1–0 2014 Gold Coast silver: 200 m breaststroke | |
| Ron Karnaugh | SWM | Olympics | 1992 | 0–1–1 1989 Tokyo silver: 200 m medley; 1997 Fukuoka bronze: 200 m medley | |
| Kyoko Kasuya | SWM | Olympics | 1992 | 0–0–3 1991 Edmonton bronze: 200 m breaststroke and 4×100 m medley relay; 1993 Kobe bronze: 4×100 m medley relay | |
| Yuka Kato | SWM | Olympics | 2008—2012 | 0–0–1 2010 Irvine bronze: 4×100 m medley relay | |
| Keiichi Kawanaka | SWM | Olympics | 1992 | 0–0–1 1991 Edmonton bronze: 200 m butterfly | |
| Kalyn Keller | SWM | Olympics | 2004 | 0–1–0 2006 Victoria silver: 10 km | |
| Klete Keller | SWM | Olympics | 2000—2008 | 2–1–2 2002 Yokohama silver: 4×200 m freestyle relay, bronze: 400 m freestyle; 2006 Victoria gold: 200 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle | |
| Wayne Kelly | SWM | Olympics | 1984 | 0–1–0 1985 Tokyo silver: 4×200 m freestyle relay | |
| Jane Kerr | SWM | Olympics | 1984—1988 | 1–1–5 1985 Tokyo gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 1987 Brisbane silver: 4×100 m medley relay, bronze: 100 m freestyle, 200 m medley, and 4×200 m freestyle relay | |
| Sean Killion | SWM | Olympics | 1992 | 0–1–0 1987 Brisbane silver: 400 m freestyle | |
| Lilly King | SWM | Olympics | 2016—2024 | 1–2–0 2018 Tokyo gold: 100 m breaststroke, silver: 200 m breaststroke and 4×100 m medley relay | |
| Paul Kingsman | SWM | Olympics | 1984—1988 | 0–0–2 1987 Brisbane bronze: 100 m backstroke; 1989 Tokyo bronze: 200 m backstroke | |
| Bill Kirby | SWM | Olympics | 2000 | 1–0–0 1999 Sydney gold: 4×200 m freestyle relay | |
| Tara Kirk | SWM | Olympics | 2004 | 1–1–0 2002 Yokohama silver: 100 m breaststroke; 2006 Victoria gold: 100 m breaststroke | |
| Masayuki Kishida | SWM | Olympics | 2008 | 0–1–0 2010 Irvine silver: 4×100 m medley relay | |
| Yuri Kisil | SWM | Olympics | 2016—2024 | 0–0–1 2018 Tokyo bronze: 50 m freestyle | |
| Asami Kitagawa | SWM | Olympics | 2008 | 0–2–0 2006 Victoria silver: 200 m breaststroke and 4×100 m medley relay | |
| Kosuke Kitajima | SWM | Olympics / Closing Flagbearer | 2000—2012 | 3–3–1 2002 Yokohama gold: 100 m breaststroke; 2006 Victoria silver: 200 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke; 2010 Irvine gold: 100 m breaststroke and 200 m breaststroke, silver: 4×100 m medley relay | |
| Takayo Kitano | SWM | Olympics | 1988 | 0–1–0 1987 Brisbane silver: 200 m butterfly | |
| Michael Klim | SWM | Olympics | 1996—2004 | 6–6–0 1995 Atlanta silver: 4×100 m freestyle relay; 1997 Fukuoka gold: 100 m freestyle and 200 m freestyle, silver: 100 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1999 Sydney gold: 100 m freestyle, 100 m butterfly, 4×100 m freestyle relay, and 4×200 m freestyle relay, silver: 200 m freestyle | |
| Morgan Knabe | SWM | Olympics | 2000—2004 | 0–1–2 1997 Fukuoka bronze: 4×100 m medley relay; 1999 Sydney silver: 4×100 m medley relay, bronze: 100 m breaststroke | |
| Yuki Kobori | SWM | Olympics | 2012—2016 | 0–3–1 2010 Irvine silver: 4×200 m freestyle relay; 2014 Gold Coast silver: 4×200 m freestyle relay; 2018 Tokyo silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay | |
| Kristel Köbrich | OWS/SWM | Olympics / Opening Flagbearer | 2004—2024 | 0–0–1 2010 Irvine bronze: 1500 m freestyle | |
| Junya Koga | SWM | Olympics | 2016 | 1–2–0 2010 Irvine gold: 50 m backstroke, silver: 100 m backstroke and 4×100 m medley relay | |
| Yoko Koikawa | SWM | Olympics | 1992 | 0–2–3 1991 Edmonton silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1993 Kobe bronze: 100 m backstroke, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Rachel Komisarz | SWM | Olympics | 2004 | 1–1–0 2006 Victoria gold: 4×100 m medley relay, silver: 100 m butterfly | |
| Yasuhiro Koseki | SWM | Olympics | 2016 | 3–3–0 2014 Gold Coast gold: 100 m breaststroke and 200 m breaststroke, silver: 4×100 m medley relay; 2018 Tokyo gold: 100 m breaststroke, silver: 4×100 m medley relay and 4×100 m medley mixed relay | |
| Kristy Kowal | SWM | Olympics | 2000 | 1–1–3 1997 Fukuoka gold: 4×100 m medley relay, bronze: 100 m breaststroke; 1999 Sydney silver: 200 m breaststroke, bronze: 100 m breaststroke; 2002 Yokohama bronze: 200 m breaststroke | |
| Daniel Kowalski | SWM | Olympics | 1996—2000 | 3–5–0 1993 Kobe silver: 400 m freestyle, 800 m freestyle, and 1500 m freestyle; 1995 Atlanta gold: 400 m freestyle, 800 m freestyle; 1995 Atlanta gold: 4×200 m freestyle relay, silver: 200 m freestyle and 1500 m freestyle | |
| Lenny Krayzelburg | SWM | Olympics | 2000—2004 | 6–0–0 1997 Fukuoka gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay; 1999 Sydney gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay | |
| Mitzi Kremer | SWM | Olympics | 1988 | 3–1–0 1987 Brisbane gold: 200 m freestyle and 4×200 m freestyle relay; 1989 Tokyo gold: 4×200 m freestyle relay, silver: 200 m freestyle | |
| Yolane Kukla | SWM | Olympics | 2012 | 0–2–0 2010 Irvine silver: 4×100 m freestyle relay and 4×100 m medley relay | |
| Ariana Kukors | SWM | Olympics | 2012 | 0–2–0 2006 Victoria silver: 400 m medley and 200 m medley | |
| Fumie Kurotori | SWM | Olympics | 1996 | 1–0–0 1995 Atlanta gold: 400 m medley | |
| Brent Lang | SWM | Olympics | 1988 | 3–0–0 1989 Tokyo gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay | |
| Darren Lange | SWM | Olympics | 1992 | 0–3–1 1991 Edmonton silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 1993 Kobe silver: 4×100 m freestyle relay; 1995 Atlanta silver: 4×100 m freestyle relay | |
| Phillippa Langrell | SWM | Olympics | 1992 | 0–1–0 1991 Edmonton silver: 1500 m freestyle | |
| Mitch Larkin | SWM | Olympics | 2012—2020 | 1–1–4 2014 Gold Coast bronze: 200 m backstroke and 4×100 m medley relay; 2018 Tokyo gold: 4×100 m medley mixed relay, silver: 200 m medley, bronze: 100 m backstroke and 4×100 m medley relay | |
| Breeja Larson | SWM | Olympics | 2012 | 0–0–1 2014 Gold Coast bronze: 100 m breaststroke | |
| Andrew Lauterstein | SWM | Olympics | 2008 | 0–0–1 2006 Victoria bronze: 4×100 m medley relay | |
| Micah Lawrence | SWM | Olympics | 2012 | 1–0–0 2018 Tokyo gold: 200 m breaststroke (competed as Micah Sumrall) | |
| Rodney Lawson | SWM | Olympics | 1992 | 0–0–1 1987 Brisbane bronze: 4×100 m medley relay | |
| Le Jingyi | SWM | Olympics | 1992—1996 | 1–2–0 1997 Fukuoka gold: 50 m freestyle, silver: 100 m freestyle and 200 m freestyle | |
| Katie Ledecky | SWM | Olympics / Closing Flagbearer | 2012—2024 | 8–1–1 2014 Gold Coast gold: 200 m freestyle, 400 m freestyle, 800 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay; 2018 Tokyo gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle, silver: 4×200 m freestyle relay, bronze: 200 m freestyle | |
| Rhiannon Leier | SWM | Olympics | 2000—2004 | 0–0–1 2002 Yokohama bronze: 4×100 m medley relay | |
| Justin Lemberg | SWM | Olympics | 1984 | 1–0–2 1985 Tokyo gold: 400 m freestyle, bronze: 4×200 m freestyle relay; 1989 Tokyo bronze: 4×200 m freestyle relay | |
| Caitlin Leverenz | SWM | Olympics | 2012 | 0–0–3 2010 Irvine bronze: 200 m medley and 400 m medley; 2014 Gold Coast bronze: 200 m medley | |
| Hayley Lewis | SWM | Olympics | 1992—2000 | 2–3–2 1993 Kobe gold: 1500 m freestyle, silver: 800 m freestyle and 4×200 m freestyle relay, bronze: 400 m medley; 1995 Atlanta gold: 800 m freestyle, silver: 1500 m freestyle, bronze: 400 m freestyle | |
| Jason Lezak | SWM | Olympics | 2000—2012 | 5–3–0 1999 Sydney silver: 4×100 m freestyle relay; 2002 Yokohama gold: 50 m freestyle and 4×100 m medley relay, silver: 4×100 m freestyle relay; 2006 Victoria gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 100 m freestyle; 2010 Irvine gold: 4×100 m freestyle relay | |
| Marianne Limpert | SWM | Olympics | 1992—2000 | 0–2–4 1993 Kobe bronze: 4×100 m freestyle relay; 1995 Atlanta bronze: 4×200 m freestyle relay; 1997 Fukuoka silver: 200 m medley and 4×100 m freestyle relay; 1999 Sydney bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Lin Li | SWM | Olympics | 1988—1996 | 1–1–1 1989 Tokyo gold: 200 m medley, silver: 400 m medley; 1991 Edmonton bronze: 400 m medley | |
| Nicole Livingstone-Stevenson | SWM | Olympics | 1988—1996 | 4–7–3 1987 Brisbane gold: 100 m backstroke and 200 m backstroke (competed as Nicole Livingstone); 1989 Tokyo silver: 100 m backstroke and 4×100 m medley relay, bronze: 200 m backstroke (competed as Nicole Livingstone); 1991 Edmonton silver: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay (competed as Nicole Livingstone); 1993 Kobe silver: 4×100 m medley relay (competed as Nicole Stevenson); 1995 Atlanta gold: 200 m backstroke and 4×100 m medley relay, silver: 100 m backstroke (competed as Nicole Stevenson) | |
| Danyon Loader | SWM | Olympics | 1992—1996 | 2–1–6 1993 Kobe gold: 200 m butterfly, bronze: 100 m butterfly and 4×200 m freestyle relay; 1995 Atlanta gold: 200 m freestyle, silver: 400 m freestyle, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 1997 Fukuoka bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Ryan Lochte | SWM | Olympics | 2004—2016 | 8–4–0 2006 Victoria gold: 4×200 m freestyle relay, silver: 100 m backstroke, and 200 m medley; 2010 Irvine gold: 200 m freestyle, 200 m backstroke, 200 m medley, 400 m medley, 4×100 m freestyle relay, and 4×200 m freestyle relay; 2014 Gold Coast gold: 4×200 m freestyle relay, silver: 100 m butterfly and 4×100 m freestyle relay | |
| Scott Logan | SWM | Olympics | 1996 | 0–1–0 1997 Fukuoka silver: 4×100 m freestyle relay | |
| Lou Yaping | SWM | Olympics | 1988 | 0–1–0 1987 Brisbane silver: 4×100 m freestyle relay | |
| Gideon Louw | SWM | Olympics | 2008—2012 | 0–0–1 2010 Irvine bronze: 4×100 m freestyle relay | |
| Lea Loveless | SWM | Olympics | 1992 | 5–4–0 1989 Tokyo gold: 100 m backstroke and 4×100 m medley relay; 1993 Kobe gold: 100 m backstroke and 4×100 m medley relay, silver: 200 m backstroke; 1995 Atlanta silver: 4×100 m medley relay; 1997 Fukuoka silver: 100 m backstroke and 200 m backstroke | |
| Lu Ying | SWM | Olympics | 2012—2016 | 0–1–0 2014 Gold Coast silver: 100 m butterfly | |
| João de Lucca | SWM | Olympics | 2016 | 0–0–1 2014 Gold Coast bronze: 4×100 m freestyle relay | |
| Luo Xuejuan | SWM | Olympics | 2000—2004 | 0–0–1 2002 Yokohama bronze: 100 m breaststroke | |
| Yannick Lupien | SWM | Olympics | 2000—2004 | 0–1–3 1999 Sydney silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 2002 Yokohama bronze: 4×100 m freestyle relay | |
| Linda MacKenzie | SWM | Olympics | 2004—2008 | 0–2–1 2006 Victoria silver: 200 m freestyle and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay | |
| Lise Mackie | SWM | Olympics | 1992—1996 | 0–1–1 1991 Edmonton silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay | |
| Brittany MacLean | SWM | Olympics | 2012—2016 | 0–0–3 2014 Gold Coast bronze: 800 m freestyle, bronze: 1500 m freestyle, and 4×200 m freestyle relay | |
| Christine Magnuson | SWM | Olympics | 2008 | 0–1–1 2010 Irvine silver: 100 m butterfly, bronze: 50 m butterfly | |
| James Magnussen | SWM | Olympics | 2012—2016 | 1–1–1 2010 Irvine silver: 4×100 m freestyle relay; 2014 Gold Coast gold: 4×100 m freestyle relay, bronze: 100 m freestyle | |
| Joanne Malar | SWM | Olympics | 1992—2000 | 2–2–6 1993 Kobe bronze: 4×100 m freestyle relay; 1995 Atlanta silver: 200 m medley, bronze: 4×200 m freestyle relay; 1997 Fukuoka silver: 4×200 m freestyle relay, bronze: 200 m freestyle, 200 m medley, and 400 m medley; 1999 Sydney gold: 200 m medley and 400 m medley, bronze: 4×200 m freestyle relay | |
| Tom Malchow | SWM | Olympics | 1996—2004 | 3–2–0 1997 Fukuoka gold: 4×200 m freestyle relay, silver: 200 m butterfly; 1999 Sydney gold: 200 m butterfly, silver: 4×200 m freestyle relay; 2002 Yokohama gold: 200 m butterfly | |
| Simone Manuel | SWM | Olympics | 2016—2024 | 0–6–2 2014 Gold Coast silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle; 2018 Tokyo silver: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 4×100 m medley mixed relay | |
| Melanie Margalis | SWM | Olympics | 2016 | 0–1–0 2018 Tokyo silver: 400 m medley | |
| Angel Martino | SWM | Olympics | 1992—1996 | 7–3–1 1987 Brisbane gold: 200 m medley and 4×100 m medley relay, silver: 100 m butterfly; 1991 Edmonton gold: 100 m freestyle and 4×100 m freestyle relay, silver: 50 m freestyle; 1993 Kobe gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 50 m freestyle, bronze: 100 m freestyle; 1995 Atlanta gold: 4×100 m freestyle relay | |
| Kylie Masse | SWM | Olympics | 2016—2024 | 1–0–0 2018 Tokyo gold: 100 m backstroke | |
| Takeshi Matsuda | SWM | Olympics | 2004—2016 | 0–2–4 2006 Victoria bronze: 1500 m freestyle and 200 m butterfly; 2010 Irvine silver: 4×200 m freestyle relay, bronze: 800 m freestyle and 200 m butterfly; 2014 Gold Coast silver: 4×200 m freestyle relay | |
| Yayoi Matsumoto | SWM | Olympics | 2012—2016 | 0–0–1 2014 Gold Coast bronze: 4×100 m freestyle relay | |
| Yukihiro Matsushita | SWM | Olympics | 1996 | 0–0–1 1995 Atlanta bronze: 4×100 m medley relay | |
| Julie McDonald | SWM | Olympics | 1968 | 1–2–1 1987 Brisbane gold: 800 m freestyle, silver: 400 m freestyle and 4×200 m freestyle relay; 1989 Tokyo bronze: 1500 m freestyle | |
| Cameron McEvoy | SWM | Olympics | 2012—2024 | 2–0–3 2014 Gold Coast gold: 100 m freestyle and 4×100 m freestyle relay, bronze: 200 m freestyle, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Tracey McFarlane | SWM | Olympics | 1988 | 1–1–1 1989 Tokyo gold: 4×100 m medley relay, silver: 100 m breaststroke, bronze: 200 m breaststroke | |
| Tyler McGill | SWM | Olympics | 2012 | 0–1–0 2010 Irvine silver: 100 m butterfly | |
| Jacqui McKenzie | SWM | Olympics | 1992 | 0–0–1 1991 Edmonton bronze: 200 m medley | |
| Michael McKenzie | SWM | Olympics | 1988 | 3–0–2 1985 Tokyo gold: 1500 m freestyle, bronze: 400 m freestyle; 1987 Brisbane gold: 1500 m freestyle; 1989 Tokyo gold: 800 m freestyle, bronze: 1500 m freestyle | |
| David McKeon | SWM | Olympics | 2012—2016 | 0–0–1 2014 Gold Coast bronze: 4×200 m freestyle relay | |
| Emma McKeon | SWM | Olympics / YOG | 2010—2024 | 4–1–2 2014 Gold Coast silver: 4×200 m freestyle relay; 2018 Tokyo gold: 4×100 m freestyle relay, 4×200 m freestyle relay, 4×100 m medley relay, and 4×100 m medley mixed relay, bronze: 50 m freestyle and 100 m butterfly | |
| Taylor McKeown | SWM | Olympics | 2016 | 0–0–1 2014 Gold Coast bronze: 200 m breaststroke | |
| Matt McLean | SWM | Olympics | 2012 | 1–0–0 2014 Gold Coast gold: 4×200 m freestyle relay | |
| Jack McLoughlin | SWM | Olympics | 2016—2020 | 1–0–2 2018 Tokyo gold: 400 m freestyle, bronze: 800 m freestyle and 1500 m freestyle | |
| Keryn McMaster | SWM | Olympics | 2016 | 0–0–1 2014 Gold Coast bronze: 400 m medley | |
| Mary T. Meagher | SWM | Olympics / Olympic Flagbearer | 1984—1996 | 2–0–0 1985 Tokyo gold: 100 m butterfly and 200 m butterfly | |
| Lori Melien | SWM | Olympics | 1988 | 0–1–1 1985 Tokyo bronze: 4×100 m freestyle relay; 1987 Brisbane silver: 4×100 m medley relay | |
| Scott Miller | SWM | Olympics | 1996 | 2–3–0 1993 Kobe silver: 200 m butterfly and 4×100 m medley relay; 1995 Atlanta gold: 100 m butterfly and 200 m butterfly, silver: 4×100 m medley relay | |
| Alice Mills | SWM | Olympics | 2004—2008 | 1–1–0 2002 Yokohama gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay | |
| Sumika Minamoto | SWM | Olympics | 1996—2000 | 0–0–3 1995 Atlanta bronze: 50 m freestyle and 4×100 m freestyle relay; 1997 Fukuoka bronze: 4×100 m medley relay | |
| Mike Mintenko | SWM | Olympics | 2000—2004 | 0–1–4 1999 Sydney silver: 4×100 m medley relay; 2002 Yokohama bronze: 100 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Maki Mita | SWM | Olympics | 2000—2008 | 0–1–2 2002 Yokohama bronze: 4×200 m freestyle relay; 2006 Victoria silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay | |
| Betsy Mitchell | SWM | Olympics | 1984—1988 | 2–0–1 1985 Tokyo gold: 100 m backstroke and 4×100 m freestyle relay, bronze: 200 m backstroke | |
| Sachi Mochida | SWM | Olympics | 2016 | 0–1–0 2018 Tokyo silver: 200 m butterfly | |
| John Moffet | SWM | Olympics | 1984 | 3–0–0 1985 Tokyo gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay | |
| Fabíola Molina | SWM | Olympics | 2000—2012 | 0–0–1 2010 Irvine bronze: 50 m backstroke | |
| Kenrick Monk | SWM | Olympics | 2008—2012 | 0–1–2 2006 Victoria silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 2010 Irvine bronze: 4×200 m freestyle relay | |
| Graeme Moore | SWM | Olympics | 2012 | 0–0–1 2010 Irvine bronze: 4×100 m freestyle relay | |
| Pablo Morales | SWM | Olympics | 1984—1992 | 5–0–1 1985 Tokyo gold: 100 m butterfly, 200 m medley, and 4×100 m medley relay; 1987 Brisbane gold: 100 m butterfly and 4×100 m medley relay, bronze: 200 m medley | |
| Takahiro Mori | SWM | Olympics | 2004 | 0–1–1 2002 Yokohama silver: 200 m medley, bronze: 400 m medley | |
| Tomomi Morita | SWM | Olympics | 2004—2008 | 0–1–3 2002 Yokohama bronze: 100 m backstroke; 2006 Victoria silver: 4×100 m medley relay, bronze: 100 m backstroke and 200 m backstroke | |
| Erica Morningstar | SWM | Olympics | 2008—2012 | 0–1–1 2006 Victoria silver: 4×100 m freestyle relay; 2010 Irvine bronze: 4×100 m freestyle relay | |
| Anthony Mosse | SWM | Olympics | 1984—1988 | 1–0–1 1985 Tokyo gold: 200 m butterfly; 1989 Tokyo bronze: 200 m butterfly | |
| Angela Mullens | SWM | Olympics | 1992 | 0–0–1 1987 Brisbane bronze: 4×100 m freestyle relay | |
| Diana Munz | SWM | Olympics | 2000—2004 | 4–1–2 1997 Fukuoka silver: 1500 m freestyle, bronze: 400 m freestyle and 800 m freestyle; 2002 Yokohama gold: 400 m freestyle, 800 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay | |
| Ryan Murphy | SWM | Olympics | 2016—2024 | 3–0–1 2014 Gold Coast bronze: 100 m backstroke; 2018 Tokyo gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay | |
| Sean Murphy | SWM | Olympics | 1988 | 0–0–1 1985 Tokyo bronze: 200 m backstroke | |
| Curtis Myden | SWM | Olympics | 1992—2000 | 0–4–1 1995 Atlanta bronze: 200 m medley; 1997 Fukuoka silver: 200 m medley and 400 m medley; 1999 Sydney silver: 200 m medley and 400 m medley | |
| John Mykkanen | SWM | Olympics | 1984 | 0–1–0 1985 Tokyo silver: 400 m freestyle | |
| Tomoko Nagai | SWM | Olympics | 2004 | 0–0–2 2002 Yokohama bronze: 4×100 m freestyle relay and bronze: 4×200 m freestyle relay | |
| Hiroko Nagasaki | SWM | Olympics | 1984—1988 | 1–1–0 1985 Tokyo gold: 200 m breaststroke, silver: 100 m breaststroke | |
| Chikako Nakamori | SWM | Olympics | 1984—1988 | 0–1–0 1989 Tokyo silver: 4×200 m freestyle relay | |
| Katsumi Nakamura | SWM | Olympics | 2016—2020 | 0–2–1 2014 Gold Coast silver: 4×100 m medley relay; 2018 Tokyo silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay | |
| Mai Nakamura | SWM | Olympics | 1996—2000 | 3–0–3 1995 Atlanta bronze: 100 m backstroke; 1997 Fukuoka gold: 100 m backstroke and 200 m backstroke, bronze: 4×100 m medley relay; 1999 Sydney gold: 100 m backstroke, bronze: 4×100 m medley relay | |
| Reiko Nakamura | SWM | Olympics | 2004—2008 | 1–0–1 2006 Victoria gold: 200 m backstroke, bronze: 100 m backstroke | |
| Yuko Nakanishi | SWM | Olympics | 2000—2008 | 0–2–0 2006 Victoria silver: 200 m butterfly and 4×100 m medley relay | |
| Ayako Nakano | SWM | Olympics | 1988—1992 | 0–2–0 1991 Edmonton silver: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Miki Nakao | SWM | Olympics | 1996—2000 | 0–1–1 1997 Fukuoka bronze: 200 m backstroke; 1999 Sydney silver: 200 m backstroke | |
| Anita Nall | SWM | Olympics | 1992 | 3–0–0 1993 Kobe gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay | |
| Eric Namesnik | SWM | Olympics | 1992—1996 | 1–3–0 1989 Tokyo silver: 400 m medley; 1991 Edmonton gold: 400 m medley, silver: 200 m medley; 1995 Atlanta silver: 400 m medley | |
| Meagen Nay | SWM | Olympics | 2008—2012 | 0–1–0 2010 Irvine silver: 4×200 m freestyle relay | |
| Travis Nederpelt | SWM | Olympics | 2004—2008 | 0–0–1 2006 Victoria bronze: 10 km | |
| Ryk Neethling | SWM | Olympics | 1996—2008 | 0–1–2 1999 Sydney silver: 1500 m freestyle, bronze: 200 m freestyle and 400 m freestyle | |
| Anthony Nesty | SWM | Olympics / Opening Flagbearer | 1984—2008 | 1–0–0 1989 Tokyo gold: 100 m butterfly | |
| Nadine Neumann | SWM | Olympics | 1996 | 0–0–2 1997 Fukuoka bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Laura Nicholls | SWM | Olympics | 1996—2000 | 0–1–3 1997 Fukuoka silver: 4×100 m freestyle relay; 1999 Sydney bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 2002 Yokohama bronze: 4×100 m medley relay | |
| Patricia Noall | SWM | Olympics | 1988 | 1–1–2 1987 Brisbane bronze: 4×200 m freestyle relay; 1989 Tokyo gold: 200 m freestyle, silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay | |
| Andrea Nugent | SWM | Olympics | 1988—1992 | 0–0–1 1985 Tokyo bronze: 4×100 m freestyle relay | |
| Lacey Nymeyer | SWM | Olympics | 2008 | 2–0–0 2006 Victoria gold: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Mike O'Brien | SWM | Olympics | 1984 | 0–0–1 1985 Tokyo bronze: 1500 m freestyle | |
| Turlough O'Hare | SWM | Olympics | 1988—1992 | 1–1–3 1987 Brisbane bronze: 4×200 m freestyle relay; 1989 Tokyo gold: 400 m freestyle, silver: 4×200 m freestyle relay, bronze: 200 m freestyle; 1991 Edmonton bronze: 4×200 m freestyle relay | |
| Susie O'Neill | SWM | Olympics / Administrator | 1992—2005 | 7–13–5 1991 Edmonton gold: 100 m butterfly, silver: 4×100 m medley relay, bronze: 100 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay; 1993 Kobe silver: 100 m freestyle, 100 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1995 Atlanta gold: 100 m butterfly, 200 m butterfly, and 4×100 m medley relay, silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1997 Fukuoka gold: 200 m butterfly, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 1999 Sydney gold: 200 m freestyle and 200 m butterfly, silver: 100 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Yoshihiro Okumura | SWM | Olympics | 2004—2008 | 0–1–0 2010 Irvine silver: 4×200 m freestyle relay | |
| Nicolas Oliveira | SWM | Olympics | 2008—2016 | 0–0–1 2014 Gold Coast bronze: 4×100 m freestyle relay | |
| Jon Olsen | SWM | Olympics | 1992—1996 | 10–3–0 1989 Tokyo gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 200 m freestyle; 1991 Edmonton gold: 4×100 m freestyle relay and 4×200 m freestyle relay; 1993 Kobe gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 1995 Atlanta gold: 4×100 m freestyle relay, silver: 100 m freestyle and 4×200 m freestyle relay; 1997 Fukuoka gold: 4×100 m freestyle relay | |
| Craig Oppel | SWM | Olympics | 1988 | 4–1–0 1985 Tokyo gold: 4×200 m freestyle relay; 1987 Brisbane gold: 200 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, silver: 100 m freestyle | |
| Emily Overholt | SWM | Olympics | 2016 | 0–0–1 2014 Gold Coast bronze: 4×200 m freestyle relay | |
| Elli Overton | SWM | Olympics | 1992—2000 | 1–0–3 1993 Kobe bronze: 200 m medley; 1995 Atlanta gold: 200 m medley, bronze: 400 m medley; 1999 Sydney bronze: 200 m medley | |
| Jake Packard | SWM | Olympics | 2016 | 1–1–2 2014 Gold Coast bronze: 4×100 m medley relay; 2018 Tokyo gold: 4×100 m medley mixed relay, silver: 100 m breaststroke, bronze: 4×100 m medley relay | |
| Kylie Palmer | SWM | Olympics | 2008—2012 | 0–1–0 2010 Irvine silver: 4×200 m freestyle relay | |
| Eddie Parenti | SWM | Olympics | 1992—1996 | 0–1–2 1989 Tokyo silver: 4×200 m freestyle relay; 1991 Edmonton bronze: 4×200 m freestyle relay; 1997 Fukuoka bronze: 4×100 m medley relay | |
| Park Tae-Hwan | SWM | Olympics | 2004—2016 | 4–2–0 2006 Victoria gold: 400 m freestyle and 1500 m freestyle, silver: 200 m freestyle; 2010 Irvine gold: 400 m freestyle, silver: 200 m freestyle; 2014 Gold Coast gold: 400 m freestyle | |
| Georgina Parkes | SWM | Olympics | 1980—1984 | 0–3–1 1985 Tokyo silver: 200 m backstroke, 4×200 m freestyle relay, and 4×100 m medley relay, bronze: 100 m backstroke | |
| Terence Parkin | SWM | Olympics | 2000—2004 | 0–0–1 1999 Sydney bronze: 200 m breaststroke | |
| Michelle Pearson | SWM | Olympics | 1980—1984 | 1–2–1 1985 Tokyo gold: 200 m medley, silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 200 m freestyle | |
| Todd Pearson | SWM | Olympics | 2000—2004 | 1–0–0 2002 Yokohama gold: 4×100 m freestyle relay | |
| Aaron Peirsol | SWM | Olympics | 2000—2008 | 8–0–0 2002 Yokohama gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay; 2006 Victoria gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay; 2010 Irvine gold: 100 m backstroke and 4×100 m medley relay | |
| Thiago Pereira | SWM | Olympics | 2004—2016 | 0–0–3 2006 Victoria bronze: 400 m medley; 2010 Irvine bronze: 200 m medley and 400 m medley | |
| Kieren Perkins | SWM | Olympics / Closing Flagbearer | 1992—2000 | 7–3–0 1991 Edmonton gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle, silver: 4×200 m freestyle relay; 1993 Kobe gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle, silver: 4×200 m freestyle relay; 1995 Atlanta gold: 1500 m freestyle, silver: 800 m freestyle | |
| Michael Phelps | SWM | Olympics / Opening Flagbearer | 2000—2016 | 16–5–0 2002 Yokohama gold: 200 m medley, 400 m medley, and 4×100 m medley relay, silver: 200 m butterfly and 4×200 m freestyle relay; 2006 Victoria gold: 200 m butterfly, 200 m medley, 400 m medley, 4×100 m freestyle relay, and 4×200 m freestyle relay, silver: 200 m backstroke; 2010 Irvine gold: 100 m butterfly, 200 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 2014 Gold Coast gold: 100 m butterfly, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 200 m medley and 4×100 m freestyle relay | |
| Leiston Pickett | SWM | Olympics | 2012 | 0–1–0 2010 Irvine silver: 50 m breaststroke | |
| Sydney Pickrem | SWM | Olympics | 2016—2024 | 0–1–0 2018 Tokyo silver: 200 m medley | |
| Blake Pieroni | SWM | Olympics | 2016—2024 | 1–0–0 2018 Tokyo gold: 4×200 m freestyle relay | |
| Annamay Pierse | SWM | Olympics | 2008 | 0–0–1 2010 Irvine bronze: 200 m breaststroke | |
| Deane Pieters | SWM | Olympics | 1992 | 0–2–0 1991 Edmonton silver: 4×200 m freestyle relay; 1993 Kobe silver: 4×200 m freestyle relay | |
| Adam Pine | SWM | Olympics | 2000—2008 | 0–0–1 1995 Atlanta bronze: 100 m butterfly | |
| Jim Piper | SWM | Olympics | 2004 | 0–2–1 2002 Yokohama silver: 200 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke | |
| Jason Plummer | SWM | Olympics | 1988 | 0–0–2 1987 Brisbane bronze: 400 m freestyle and 1500 m freestyle | |
| Sarah Poewe | SWM | Olympics | 2000—2012 | 0–0–1 1999 Sydney bronze: 200 m breaststroke (competed for South Africa) | |
| Claudia Poll | SWM | Olympics | 1996—2004 | 3–2–3 1993 Kobe gold: 200 m freestyle, silver: 400 m freestyle, bronze: 800 m freestyle; 1995 Atlanta bronze: 200 m freestyle; 1997 Fukuoka gold: 200 m freestyle and 400 m freestyle, silver: 800 m freestyle; 1999 Sydney bronze: 400 m freestyle | |
| Sylvia Poll | SWM | Olympics | 1988—1992 | 0–0–1 1991 Edmonton bronze: 100 m backstroke | |
| Tom Ponting | SWM | Olympics | 1984—1992 | 0–3–1 1985 Tokyo silver: 4×100 m freestyle relay, bronze: 200 m medley; 1987 Brisbane silver: 200 m butterfly and 4×100 m medley relay | |
| Victoria Poon | SWM | Olympics | 2008—2012 | 0–1–2 2006 Victoria silver: 4×100 m freestyle relay; 2010 Irvine bronze: 50 m freestyle and 4×100 m freestyle relay | |
| Jarrod Poort | OWS/SWM | Olympics | 2012—2016 | 0–1–0 2014 Gold Coast silver: 10 km | |
| Ricardo Prado | SWM | Olympics | 1980—1984 | 1–0–1 1985 Tokyo gold: 400 m medley, bronze: 200 m butterfly | |
| Troy Prinsloo | OWS/SWM | Olympics | 2008—2012 | 0–1–0 2006 Victoria silver: 800 m freestyle | |
| Donna Procter | SWM | Olympics | 1988 | 0–1–5 1985 Tokyo silver: 4×200 m freestyle relay, bronze: 400 m freestyle; 1987 Brisbane bronze: 800 m freestyle and 400 m medley; 1989 Tokyo bronze: 400 m medley; 1991 Edmonton bronze: 800 m freestyle | |
| Qian Hong | SWM | Olympics | 1988—1992 | 2–2–2 1987 Brisbane gold: 100 m butterfly, silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay; 1989 Tokyo gold: 100 m butterfly, silver: 4×100 m medley relay; 1989 Tokyo bronze: 4×100 m freestyle relay | |
| Kristine Quance | SWM | Olympics | 1996 | 4–2–1 1991 Edmonton gold: 200 m breaststroke, silver: 400 m medley; 1993 Kobe gold: 400 m medley, bronze: 200 m breaststroke; 1997 Fukuoka gold: 200 m medley and 400 m medley, silver: 200 m butterfly | |
| Megan Quann-Jendrick | SWM | Olympics | 2000—2008 | 1–2–0 1999 Sydney gold: 4×100 m medley relay, silver: 100 m breaststroke and 100 m breaststroke (competed as Megan Quann) | |
| Kane Radford | OWS | Olympics | 2016 | 0–0–1 2014 Gold Coast bronze: 10 km | |
| Trina Radke | SWM | Olympics | 1988 | 2–0–0 1985 Tokyo gold: 4×200 m freestyle relay; 1987 Brisbane gold: 4×200 m freestyle relay | |
| Pam Rai | SWM | Olympics | 1984 | 0–0–1 1985 Tokyo bronze: 4×100 m freestyle relay | |
| Shayne Reese | SWM | Olympics | 2004—2008 | 0–1–1 2006 Victoria silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay | |
| Jennifer Reilly | SWM | Olympics | 2000—2004 | 1–0–0 2002 Yokohama gold: 400 m medley | |
| Steph Rice | SWM | Olympics / Closing Flagbearer | 2008—2012 | 0–0–2 2006 Victoria bronze: 200 m medley and 400 m medley |