Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Veselin Đuho | WPO | Olympics | 1984—1988 | 1–0–0 1986 Madrid WAP gold | |
| Justin Dumais | DIV | Olympics | 2004 | 0–0–1 2005 Montréal DIV bronze: synchronized springboard | |
| Troy Dumais | DIV | Olympics | 2000—2012 | 0–4–1 1998 Perth DIV silver: 1 m springboard; 2005 Montréal DIV silver: 3 m springboard, bronze: synchronized springboard; 2009 Roma DIV silver: 3 m springboard and synchronized springboard | |
| David Dunne | SWM | Olympics | 1976 | 0–0–1 1978 West Berlin SWI bronze: 4×100 m medley relay (swam in heats only) | |
| Mary Beth Dunnichay | DIV | Olympics | 2008 | 0–1–0 2009 Roma DIV silver: synchronized platform | |
| Stéphanie Durocher | SWA | Olympics | 2012 | 0–0–1 2011 Shanghai SYN bronze: team Free Routine Combination | |
| Nate Dusing | SWM | Olympics | 2000—2004 | 1–2–1 2001 Fukuoka SWI bronze: 4×200 m freestyle relay; 2003 Barcelona SWI silver: 4×200 m freestyle relay and 4×100 m freestyle relay (swam in heats only); 2005 Montréal SWI gold: 4×100 m freestyle relay | |
| Conor Dwyer | SWM | Olympics | 2012—2016 | 3–3–1 2015 Kazan SWI gold: 4×100 m freestyle mixed relay (swam in heats only), silver: 4×200 m freestyle relay; 2017 Budapest SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Vladimir Dyatchin | OWS | Olympics | 2008—2012 | 2–2–2 2001 Fukuoka SWI silver: 10 km open water; 2003 Barcelona SWI gold: 10 km open water, bronze: 5 km open water; 2007 Melbourne SWI gold: 10 km open water; 2009 Roma SWI bronze: 25 km open water; 2011 Shanghai SWI silver: 25 km open water | |
| Becky Dyroen-Lancer | SWA | Olympics | 1996 | 4–0–0 1991 Perth SYN gold: team (competed as Becky Dyroen); 1994 Roma SYN gold: solo, duet, and team | |
| Gonzalo Echenique | WPO | Olympics | 2016—2024 | 1–0–0 2019 Gwangju WAP gold (competed for Italy) | |
| Sophie Edington | SWM | Olympics | 2008 | 2–0–1 2003 Barcelona SWI bronze: 4×100 m freestyle relay (swam in heats only); 2005 Montréal SWI gold: 4×100 m medley relay and 4×100 m freestyle relay (swam in heats only) | |
| Ian Edmond | SWM | Olympics | 2004 | 0–1–0 2003 Barcelona SWI silver: 200 m breaststroke | |
| Krisztina Egerszegi | SWM | Olympics | 1988—1996 | 2–1–0 1991 Perth SWI gold: 100 m backstroke and 200 m backstroke, silver: 200 m backstroke | |
| Sylvia Eichner | SWM | Olympics | 1972 | 1–0–0 1973 Belgrade SWI gold: 4×100 m freestyle relay | |
| Andrea Eife | SWM | Olympics | 1972 | 1–0–1 1973 Belgrade SWI SWI gold: 4×100 m freestyle relay, bronze: 200 m freestyle | |
| Brittany Elmslie | SWM | Olympics | 2012—2016 | 0–3–0 2013 Barcelona SWI silver: 4×200 m freestyle relay and silver: 4×100 m freestyle relay (swam in heats only); 2017 Budapest SWI silver: 4×100 m freestyle relay | |
| Janet Ely | DIV | Olympics | 1972—1976 | 1–0–0 1975 Cali DIV gold: platform | |
| Giulia Emmolo | WPO | Olympics | 2012—2016 | 0–0–1 2015 Kazan WAP bronze | |
| Kornelia Ender | SWM | Olympics | 1972—1976 | 8–2–0 1973 Belgrade SWI gold: 100 m freestyle, 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 200 m medley; 1975 Cali SWI gold: 100 m freestyle, 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 200 m freestyle | |
| Balázs Erdélyi | WPO | Olympics | 2016—2020 | 0–1–0 2017 Budapest WAP silver | |
| Anthony Ervin | SWM | Olympics | 2000—2016 | 2–1–0 2001 Fukuoka SWI gold: 50 m freestyle and 100 m freestyle; 2013 Barcelona SWI silver: 4×100 m freestyle relay | |
| Albert Español | WPO | Olympics | 2012—2016 | 0–1–0 2009 Roma WAP silver | |
| Anna Espar | WPO | Olympics | 2012—2024 | 1–2–0 2013 Barcelona WAP gold; 2017 Budapest WAP silver; 2019 Gwangju WAP silver | |
| Clara Espar | WPO | Olympics | 2016—2020 | 0–2–0 2017 Budapest WAP silver; 2019 Gwangju WAP silver | |
| Paola Espinosa | DIV | Olympics / Opening Flagbearer | 2004—2016 | 1–0–3 2003 Barcelona DIV bronze: synchronized springboard; 2009 Roma DIV gold: platform; 2011 Shanghai DIV bronze: platform; 2019 Gwangju DIV bronze: synchronized springboard | |
| Franck Esposito | SWM | Olympics | 1992—2004 | 0–1–0 1998 Perth SWI silver: 200 m butterfly | |
| Laura Ester | WPO | Olympics | 2012—2024 | 1–2–0 2013 Barcelona WAP gold; 2017 Budapest WAP silver; 2019 Gwangju WAP silver | |
| Ellen Estes | WPO | Olympics | 2000—2004 | 1–0–0 2003 Barcelona WAP gold | |
| Manuel Estiarte | WPO | Olympics / Administrator / Opening Flagbearer | 1980—2004 | 1–2–0 1991 Perth WAP silver; 1994 Roma WAP silver; 1998 Perth WAP gold | |
| Sarah Evanetz | SWM | Olympics | 1996 | 0–0–0 1991 Perth silver: 4×50 m freestyle relay (demonstration event); 1991 Perth bronze: 50 m butterfly (demonstration event) | |
| Blair Evans | SWM | Olympics | 2012—2016 | 0–1–0 2011 Shanghai SWI silver: 4×200 m freestyle relay | |
| Janet Evans | SWM | Olympics / Torch Bearer | 1988—1996 | 3–1–1 1991 Perth SWI gold: 400 m freestyle and 800 m freestyle, silver: 200 m freestyle; 1994 Roma SWI gold: 800 m freestyle, bronze: 4×200 m freestyle relay | |
| Loris Facci | SWM | Olympics | 2004—2008 | 0–0–1 2007 Melbourne SWI bronze: 200 m breaststroke | |
| Thomas Fahrner | SWM | Olympics | 1984—1988 | 0–1–0 1986 Madrid SWI silver: 4×200 m freestyle relay | |
| Grigory Falko | SWM | Olympics | 2004—2008 | 0–1–0 2005 Montréal SWI silver: 4×100 m medley relay (swam in heats only) | |
| Tamás Faragó | WPO | Olympics / Coach | 1972—2004 | 1–2–0 1973 Belgrade WAP gold; 1975 Cali WAP silver; 1978 West Berlin WAP silver | |
| Jo Fargus | SWM | Olympics | 2000 | 0–0–1 2001 Fukuoka SWI bronze: 200 m backstroke | |
| Rachel Fattal | WPO | Olympics | 2016—2024 | 3–0–0 2015 Kazan WAP gold; 2017 Budapest WAP gold; 2019 Gwangju WAP gold | |
| Aleksandr Fedorov | WPO | Olympics | 2004 | 0–0–1 2001 Fukuoka WAP bronze | |
| Olena Fedorova | DIV | Olympics | 2004—2016 | 0–0–1 2005 Montréal DIV bronze: synchronized springboard | |
| Jimmy Feigen | SWM | Olympics | 2012—2016 | 0–2–0 2013 Barcelona SWI silver: 100 m freestyle and 4×100 m freestyle relay | |
| Hendrik Feldwehr | SWM | Olympics | 2012 | 0–1–2 2009 Roma SWI silver: 4×100 m medley relay; 2011 Shanghai SWI bronze: 4×100 m medley relay; 2015 Kazan SWI bronze: 4×100 m medley mixed relay | |
| Maurizio Felugo | WPO | Olympics | 2004—2012 | 1–1–0 2003 Barcelona WAP silver; 2011 Shanghai WAP gold | |
| Kent Ferguson | DIV | Olympics | 1992 | 1–0–0 1991 Perth DIV gold: 3 m springboard | |
| Fran Fernández | WPO | Olympics | 2016—2020 | 0–1–0 2019 Gwangju WAP silver | |
| Teófilo Ferreira | SWM | Olympics | 1992 | 0–0–1 1994 Roma SWI bronze: 4×100 m freestyle relay | |
| Massimiliano Ferretti | WPO | Olympics | 1988—1992 | 1–1–0 1986 Madrid WAP silver; 1994 Roma WAP gold | |
| Costanza Ferro | SWA | Olympics | 2016—2020 | 0–1–0 2019 Gwangju SYN silver: team Highlight Routine | |
| Sergey Fesenko | SWM | Olympics | 1980 | 0–2–1 1978 West Berlin SWI silver: 400 m medley (competed for the Soviet Union); 1982 Guayaquil SWI silver: 200 m butterfly, bronze: 400 m medley (competed for the Soviet Union) | |
| Leigh Ann Fetter | SWM | Olympics | 1988 | 0–1–0 1991 Perth SWI silver: 50 m freestyle | |
| Nick Ffrost | SWM | Olympics | 2008 | 0–1–1 2007 Melbourne SWI silver: 4×200 m freestyle relay (swam in heats only); 2009 Roma SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Pietro Figlioli | WPO | Olympics | 2004—2020 | 2–0–0 2011 Shanghai WAP gold (competed for Italy); 2019 Gwangju WAP gold (competed for Italy) | |
| Solenne Figuès | SWM | Olympics | 1996—2004 | 1–0–0 2005 Montréal SWI gold: 200 m freestyle | |
| Roseline Filion | DIV | Olympics | 2008—2016 | 0–2–1 2005 Montréal DIV bronze: synchronized platform; 2013 Barcelona DIV silver: synchronized platform; 2015 Kazan DIV silver: synchronized platform | |
| Aleksey Filipets | SWM | Olympics | 2000—2004 | 0–0–1 2001 Fukuoka SWI bronze: 1500 m freestyle | |
| Filip Filipović | WPO | Olympics / Opening Flagbearer | 2008—2020 | 2–1–1 2009 Roma WAP gold; 2011 Shanghai WAP silver; 2015 Kazan WAP gold; 2017 Budapest WAP bronze | |
| Alessia Filippi | SWM | Olympics | 2004—2012 | 1–0–1 2009 Roma SWI gold: 1500 m freestyle; 2009 Roma SWI bronze: 800 m freestyle | |
| Thomas Finchum | DIV | Olympics | 2008 | 0–1–1 2007 Melbourne DIV bronze: synchronized platform; 2009 Roma DIV silver: synchronized platform | |
| Bridget Finn | SWA | Olympics | 2000 | 0–0–1 1998 Perth SYN bronze: team | |
| Domenico Fioravanti | SWM | Olympics | 2000 | 0–1–1 2001 Fukuoka SWI silver: 100 m breaststroke, bronze: 50 m breaststroke | |
| Deni Fiorentini | WPO | Olympics | 2012 | 1–0–0 2011 Shanghai WAP gold | |
| Goran Fiorentini | WPO | Olympics | 2004 | 0–1–0 2003 Barcelona WAP silver | |
| Mario Fiorillo | WPO | Olympics | 1984—1992 | 1–1–0 1986 Madrid WAP silver; 1994 Roma WAP gold | |
| Aria Fischer | WPO | Olympics | 2016—2020 | 2–0–0 2017 Budapest WAP gold; 2019 Gwangju WAP gold | |
| Heike Fischer | DIV | Olympics | 2004—2008 | 0–1–1 2005 Montréal DIV bronze: 1 m springboard; 2007 Melbourne DIV silver: synchronized springboard | |
| Makenzie Fischer | WPO | Olympics | 2016—2020 | 3–0–0 2015 Kazan WAP gold; 2017 Budapest WAP gold; 2019 Gwangju WAP gold | |
| Manila Flamini | SWA | Olympics | 2016 | 1–2–1 2015 Kazan SYN bronze: duet Technical (mixed); 2017 Budapest SYN gold: duet Technical (mixed); 2019 Gwangju SYN silver: duet Technical (mixed) and duet Free (mixed) | |
| Konstantinos Flegkas | WPO | Olympics | 2016 | 0–0–1 2015 Kazan WAP bronze | |
| Thomas Flemming | SWM | Olympics | 1988 | 1–0–0 1986 Madrid SWI gold: 4×200 m freestyle relay | |
| Hali Flickinger | SWM | Olympics | 2016—2020 | 1–1–0 2017 Budapest SWI gold: 4×200 m freestyle relay (swam in heats only); 2019 Gwangju SWI silver: 200 m butterfly | |
| Jeff Float | SWM | Olympics | 1984 | 1–1–0 1978 West Berlin SWI silver: 400 m freestyle; 1982 Guayaquil SWI gold: 4×200 m freestyle relay | |
| Hartmut Flöckner | SWM | Olympics | 1972—1976 | 0–1–2 1973 Belgrade SWI silver: 4×100 m medley relay, bronze: 200 m butterfly and 4×100 m freestyle relay | |
| Rajmund Fodor | WPO | Olympics | 1996—2004 | 1–3–0 1998 Perth WAP silver; 2003 Barcelona WAP gold; 2005 Montréal WAP silver; 2007 Melbourne WAP silver | |
| Lynda Folauhola | DIV | Olympics | 2004 | 0–1–0 2003 Barcelona DIV silver: synchronized platform (competed as Lynda Dackiw) | |
| Massimo Fondelli | WPO | Olympics | 1980 | 1–0–0 1978 West Berlin WAP gold | |
| Karen Fonteyne | SWA | Olympics | 1996 | 0–2–0 1991 Perth SYN silver: team; 1994 Roma SYN silver: team | |
| Judith Forca | WPO | Olympics | 2016—2024 | 0–2–0 2017 Budapest WAP silver; 2019 Gwangju WAP silver | |
| Marco Formentini | SWM | Olympics | 1996 | 0–1–2 2001 Fukuoka SWI bronze: 5 km open water; 2005 Montréal SWI bronze: 25 km open water team; 2007 Melbourne SWI silver: 25 km open water | |
| Bill Forrester | SWM | Olympics | 1976 | 4–0–2 1975 Cali SWI gold: 4×100 m medley relay (swam in heats only), bronze: 100 m butterfly; 1978 West Berlin SWI gold: 200 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle | |
| Jo-Annie Fortin | SWA | Olympics | 2012 | 0–0–2 2009 Roma SYN bronze: team Free Routine Combination; 2011 Shanghai SYN bronze: team Free Routine Combination | |
| Mark Foster | SWM | Olympics / Opening Flagbearer | 1988—2008 | 0–1–1 2001 Fukuoka SWI bronze: 50 m butterfly; 2003 Barcelona SWI silver: 50 m freestyle | |
| Sally Foster | SWM | Olympics | 2008—2012 | 1–2–1 2007 Melbourne SWI gold: 4×100 m freestyle relay (swam in heats only); 2009 Roma SWI silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only); 2013 Barcelona SWI silver: 4×100 m medley relay | |
| Giannis Fountoulis | WPO | Olympics / Closing Flagbearer | 2012—2024 | 0–0–1 2015 Kazan WAP bronze | |
| Catherine Fox | SWM | Olympics | 1996 | 1–0–0 1998 Perth SWI gold: 4×100 m freestyle relay (swam in heats only) | |
| Linley Frame | SWM | Olympics | 1992 | 1–2–0 1991 Perth SWI gold: 100 m breaststroke, silver: 200 m breaststroke and 4×100 m medley relay | |
| Felipe França | SWM | Olympics | 2008—2016 | 1–1–0 2009 Roma SWI silver: 50 m breaststroke; 2011 Shanghai SWI gold: 50 m breaststroke | |
| Giovanni Franceschi | SWM | Olympics | 1980—1984 | 0–0–1 1982 Guayaquil SWI bronze: 200 m medley | |
| Jacqueline Frank | WPO | Olympics | 2004 | 1–0–0 2003 Barcelona WAP gold | |
| Angela Franke | SWM | Olympics | 1972 | 1–1–1 1973 Belgrade SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 400 m medley; 1975 Cali SWI bronze: 200 m medley | |
| Missy Franklin | SWM | Olympics | 2012—2016 | 11–2–3 2011 Shanghai SWI gold: 200 m backstroke, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 4×100 m freestyle relay, bronze: 50 m backstroke; 2013 Barcelona SWI gold: 200 m freestyle, 100 m backstroke, 200 m backstroke, 4×100 m freestyle relay, 4×200 m freestyle relay, and: 4×100 m medley relay; 2015 Kazan SWI gold: 4×200 m freestyle relay and 4×100 m freestyle mixed relay, silver: 200 m backstroke, bronze: 200 m freestyle and 4×100 m freestyle relay | |
| Thomas Fraser-Holmes | SWM | Olympics | 2012—2016 | 1–0–1 2015 Kazan SWI bronze: 4×200 m freestyle relay; 2019 Gwangju SWI gold: 4×200 m freestyle relay (swam in heats only) | |
| Suzie Fraser | WPO | Olympics | 2008 | 0–1–0 2007 Melbourne WAP silver | |
| Teresa Frassinetti | WPO | Olympics | 2008—2016 | 0–0–1 2015 Kazan WAP bronze | |
| Bruno Fratus | SWM | Olympics | 2012—2020 | 0–3–1 2015 Kazan SWI bronze: 50 m freestyle; 2017 Budapest SWI silver: 50 m freestyle and 4×100 m freestyle relay; 2019 Gwangju SWI silver: 50 m freestyle | |
| Sylvie Fréchette | SWA | Olympics | 1992—1996 | 2–0–0 1986 Madrid SYN gold: team; 1991 Perth SYN gold: solo | |
| Meike Freitag | SWM | Olympics | 1996—2008 | 1–3–0 2001 Fukuoka SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay; 2005 Montréal SWI silver: 4×100 m freestyle relay (swam in heats only); 2007 Melbourne SWI silver: 4×200 m freestyle relay | |
| Roland Freund | WPO | Olympics | 1976—1984 | 0–0–1 1982 Guayaquil WAP bronze | |
| Heike Friedrich | SWM | Olympics | 1988 | 4–0–0 1986 Madrid SWI gold: 200 m freestyle, 400 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay | |
| Lotte Friis | SWM | Olympics / Closing Flagbearer | 2008—2016 | 2–4–0 2009 Roma SWI gold: 800 m freestyle, silver: 1500 m freestyle; 2011 Shanghai SWI gold: 1500 m freestyle, silver: 800 m freestyle; 2013 Barcelona SWI silver: 800 m freestyle and 1500 m freestyle | |
| Lars Frölander | SWM | Olympics / Opening Flagbearer | 1992—2012 | 2–2–2 1994 Roma SWI gold: 4×200 m freestyle relay; 1998 Perth SWI silver: 100 m butterfly, bronze: 100 m freestyle; 2001 Fukuoka SWI gold: 100 m butterfly, silver: 50 m butterfly, bronze: 100 m freestyle | |
| Fu Mingxia | DIV | Olympics | 1992—2000 | 2–0–0 1991 Perth DIV gold: platform; 1994 Roma DIV gold: platform | |
| Fu Yuanhui | SWM | Olympics | 2012—2016 | 2–2–0 2013 Barcelona SWI silver: 50 m backstroke; 2015 Kazan SWI gold: 50 m backstroke and 4×100 m medley relay; 2017 Budapest SWI silver: 50 m backstroke | |
| Andrea Fuentes | SWA | Olympics | 2004—2012 | 1–7–8 2003 Barcelona SYN silver: team Free Routine Combination; 2005 Montréal SYN bronze: team and team Free Routine Combination; 2007 Melbourne SYN silver: team Free, bronze: team Technical; 2009 Roma SYN gold: team Free Routine Combination, silver: duet Technical, duet Free, team Technical, and team Free; 2011 Shanghai SYN silver: solo Free, bronze: solo Technical, duet Technical, duet Free, team Technical, and team Free | |
| Tina Fuentes | SWA | Olympics | 2004 | 0–2–3 2003 Barcelona SYN silver: team Free Routine Combination; 2005 Montréal SYN bronze: team and team Free Routine Combination; 2007 Melbourne SYN silver: team Free, bronze: team Technical | |
| Raika Fujii | SWA | Olympics | 1996—2000 | 0–1–1 1994 Roma SYN bronze: team; 1998 Perth SYN silver: team | |
| Takuro Fujii | SWM | Olympics | 2008—2016 | 0–0–1 2013 Barcelona SWI bronze: 4×100 m medley relay | |
| Michiyo Fujimaru | SWA | Olympics | 2004 | 1–2–0 2001 Fukuoka SYN silver: team; 2003 Barcelona SYN gold: team Free Routine Combination, silver: team | |
| Kazuno Fujiwara | SWA | Olympics | 1984 | 0–0–1 1982 Guayaquil SYN bronze: team | |
| Bruce Furniss | SWM | Olympics | 1976 | 2–2–0 1975 Cali SWI gold: 4×100 m freestyle relay, silver: 200 m freestyle and 400 m freestyle; 1978 West Berlin SWI gold: 4×200 m freestyle relay | |
| Steve Furniss | SWM | Olympics | 1972—1976 | 0–1–0 1975 Cali SWI silver: 200 m medley | |
| Chris Fydler | SWM | Olympics | 1992—2000 | 1–1–0 1998 Perth SWI gold: 4×100 m medley relay, silver: 4×100 m freestyle relay | |
| Rowdy Gaines | SWM | Olympics | 1984 | 6–3–0 1978 West Berlin SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay (swam in heats only), silver: 200 m freestyle; 1982 Guayaquil SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1982 Guayaquil SWI silver: 100 m freestyle and 200 m freestyle | |
| Stefanos Galanopoulos | WPO | Olympics | 2016 | 0–0–1 2015 Kazan WAP bronze | |
| Christian Galenda | SWM | Olympics | 2004—2008 | 0–1–0 2007 Melbourne SWI silver: 4×100 m freestyle relay | |
| Rebecca Gallantree | DIV | Olympics | 2008—2016 | 1–0–0 2015 Kazan DIV gold: team | |
| Iván Gallego | WPO | Olympics | 2008 | 0–1–1 2007 Melbourne WAP bronze; 2009 Roma WAP silver | |
| Marco Galli | WPO | Olympics | 1984 | 1–0–0 1978 West Berlin WAP gold | |
| Valentino Gallo | WPO | Olympics | 2008—2016 | 1–0–0 2011 Shanghai WAP gold | |
| Gleb Galperin | DIV | Olympics | 2004—2012 | 2–1–1 2005 Montréal DIV gold: synchronized platform, bronze: platform; 2007 Melbourne DIV gold: platform, silver: synchronized platform | |
| Felicity Galvez | SWM | Olympics | 2004—2008 | 2–0–1 2005 Montréal SWI gold: 4×100 m medley relay (swam in heats only); 2007 Melbourne SWI gold: 4×100 m medley relay (swam in heats only); 2009 Roma SWI bronze: 4×100 m freestyle relay | |
| Annett Gamm | DIV | Olympics | 2004—2008 | 0–0–1 2007 Melbourne DIV bronze: synchronized platform | |
| Ferdinando Gandolfi | WPO | Olympics | 1992 | 1–0–0 1994 Roma WAP gold | |
| Ellen Gandy | SWM | Olympics | 2008—2012 | 0–1–0 2011 Shanghai SWI silver: 200 m butterfly | |
| Mark Gangloff | SWM | Olympics | 2004—2008 | 3–1–1 2005 Montréal SWI gold: 4×100 m medley relay (swam in heats only), silver: 50 m breaststroke; 2009 Roma SWI gold: 4×100 m medley relay (swam in heats only), bronze: 50 m breaststroke; 2011 Shanghai SWI gold: 4×100 m medley relay | |
| Gao Chang | SWM | Olympics | 2004—2012 | 0–2–1 2005 Montréal SWI silver: 50 m backstroke; 2009 Roma SWI bronze: 50 m backstroke; 2011 Shanghai SWI silver: 4×100 m medley relay (swam in heats only) | |
| Gao Min | DIV | Olympics / Torch Bearer | 1988—2008 | 3–0–0 1986 Madrid DIV gold: 3 m springboard; 1991 Perth DIV gold: 1 m springboard and 3 m springboard | |
| Nancy Garapick | SWM | Olympics | 1976 | 0–1–2 1975 Cali SWI silver: 200 m backstroke, bronze: 100 m backstroke; 1978 West Berlin SWI bronze: 4×100 m freestyle relay | |
| Sergey Garbuzov | WPO | Olympics | 1996—2004 | 0–0–2 1994 Roma WAP bronze; 2001 Fukuoka WAP bronze | |
| Catherine Garceau | SWA | Olympics | 2000 | 0–0–1 2001 Fukuoka SYN bronze: team | |
| Iván García | DIV | Olympics / YOG / Opening Flagbearer | 2010—2020 | 0–1–0 2015 Kazan DIV silver: synchronized platform | |
| Maica García | WPO | Olympics | 2012—2024 | 1–1–0 2013 Barcelona WAP gold; 2019 Gwangju WAP silver | |
| Mario José García | WPO | Olympics | 2008—2012 | 0–1–1 2007 Melbourne WAP bronze; 2009 Roma WAP silver | |
| Pedro García | WPO | Olympics | 1988—2000 | 1–2–0 1991 Perth WAP silver; 1994 Roma WAP silver; 1998 Perth WAP gold | |
| Xavier García | WPO | Olympics | 2004—2020 | 1–1–2 2007 Melbourne WAP bronze (competed for Spain); 2009 Roma WAP silver (competed for Spain); 2017 Budapest WAP gold (competed for Croatia); 2019 Gwangju WAP bronze (competed for Croatia) | |
| Krisztina Garda | WPO | Olympics | 2016—2024 | 0–0–1 2013 Barcelona WAP bronze | |
| Sue Gardiner | WPO | Olympics | 2000—2004 | 0–0–2 2001 Fukuoka WAP bronze; 2005 Montréal WAP bronze | |
| Arianna Garibotti | WPO | Olympics | 2016 | 0–0–1 2015 Kazan WAP bronze | |
| Béryl Gastaldello | SWM | Olympics | 2016—2024 | 0–0–1 2019 Gwangju SWI bronze: 4×100 m freestyle mixed relay (swam in heats only) | |
| HaJo Geisler | SWM | Olympics | 1972—1976 | 1–0–1 1975 Cali SWI gold: 4×200 m freestyle relay, bronze: 400 m medley | |
| Ines Geißler | SWM | Olympics | 1980 | 2–1–0 1982 Guayaquil SWI gold: 200 m butterfly and 4×100 m medley relay, silver: 100 m butterfly | |
| Andrew Gemmell | SWM | Olympics | 2012 | 1–1–0 2009 Roma SWI silver: 10 km open water; 2011 Shanghai SWI gold: 5 km open water team | |
| Konstantinos Genidounias | WPO | Olympics | 2016—2024 | 0–0–1 2015 Kazan WAP bronze | |
| Sylvia Gerasch | SWM | Olympics | 2000 | 2–0–0 1986 Madrid SWI gold: 100 m breaststroke and 4×100 m medley relay (competed for East Germany) | |
| Irina Gerasimova | SWM | Olympics | 1980 | 0–0–1 1982 Guayaquil SWI bronze: 4×100 m medley relay | |
| Csaba Gercsák | OWS | Olympics | 2008—2012 | 0–0–1 2011 Shanghai SWI bronze: 25 km open water | |
| György Gerendás | WPO | Olympics | 1976—1980 | 0–2–0 1978 West Berlin WAP silver; 1982 Guayaquil WAP silver | |
| István Gergely | WPO | Olympics | 2000—2008 | 1–1–0 2003 Barcelona WAP gold (competed for Hungary); 2005 Montréal WAP silver (competed for Hungary) | |
| Marco Gerini | WPO | Olympics | 1996—2004 | 0–1–0 2003 Barcelona WAP silver | |
| Angeliki Gerolymou | WPO | Olympics | 2008 | 1–0–0 2011 Shanghai WAP gold | |
| Christian Geßner | SWM | Olympics | 1992 | 0–0–1 1991 Perth SWI bronze: 200 m medley | |
| Ute Geweniger | SWM | Olympics | 1980 | 2–2–0 1982 Guayaquil SWI gold: 100 m breaststroke and 4×100 m medley relay, silver: 200 m breaststroke and 200 m medley | |
| Alessandro Ghibellini | WPO | Olympics | 1968—1976 | 1–0–1 1975 Cali WAP bronze; 1978 West Berlin WAP gold | |
| Spyros Gianniotis | OWS/SWM | Olympics / Torch Bearer / Closing Flagbearer | 2000—2016 | 2–3–2 2007 Melbourne SWI bronze: 5 km open water; 2009 Roma SWI silver: 5 km open water; 2011 Shanghai SWI gold: 10 km open water, silver: 5 km open water; 2013 Barcelona SWI gold: 10 km open water, silver: 5 km open water team; 2015 Kazan SWI bronze: 10 km open water | |
| Cheryl Gibson | SWM | Olympics | 1976 | 0–0–2 1978 West Berlin SWI bronze: 100 m backstroke and 200 m backstroke | |
| James Gibson | SWM | Olympics | 2004 | 1–0–1 2003 Barcelona SWI gold: 50 m breaststroke, bronze: 100 m breaststroke | |
| Kaleigh Gilchrist | WPO | Olympics | 2016—2024 | 2–0–0 2015 Kazan WAP gold; 2019 Gwangju WAP gold | |
| Nick Gillingham | SWM | Olympics | 1988—1996 | 0–0–1 1991 Perth SWI bronze: 200 m breaststroke | |
| Fabien Gilot | SWM | Olympics | 2004—2016 | 3–2–4 2003 Barcelona SWI bronze: 4×100 m freestyle relay; 2007 Melbourne SWI bronze: 4×100 m freestyle relay; 2009 Roma SWI bronze: 4×100 m freestyle relay; 2011 Shanghai SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2013 Barcelona SWI gold: 4×100 m freestyle relay and 4×100 m medley relay; 2015 Kazan SWI gold: 4×100 m freestyle relay, bronze: 4×100 m medley relay | |
| Bengt Gingsjö | SWM | Olympics | 1972—1976 | 0–0–1 1973 Belgrade SWI bronze: 400 m freestyle | |
| Alex Giorgetti | WPO | Olympics | 2012 | 1–0–0 2011 Shanghai WAP gold | |
| Carlos Girón | DIV | Olympics / Opening Flagbearer | 1972—1984 | 0–0–1 1975 Cali DIV bronze: platform | |
| Niccolò Gitto | WPO | Olympics | 2012—2016 | 1–0–0 2011 Shanghai WAP gold | |
| Doug Gjertsen | SWM | Olympics | 1988—1992 | 1–1–0 1991 Perth SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay | |
| Kristian Gkolomeev | SWM | Olympics | 2012—2024 | 0–1–0 2019 Gwangju SWI silver: 50 m freestyle | |
| Jan-Philip Glania | SWM | Olympics | 2012—2016 | 0–0–1 2015 Kazan SWI bronze: 4×100 m medley mixed relay | |
| Roberto Gleria | SWM | Olympics | 1988—1992 | 0–0–1 1991 Perth SWI bronze: 4×200 m freestyle relay | |
| Nadezhda Glyzina-Fedotova | WPO | Olympics | 2008—2020 | 0–0–3 2007 Melbourne WAP bronze (competed as Nadezhda Glyzina); 2009 Roma WAP bronze (competed as Nadezhda Glyzina); 2011 Shanghai WAP bronze (competed as Nadezhda Fedotova) | |
| Živko Gocić | WPO | Olympics | 2008—2016 | 2–1–0 2009 Roma WAP gold; 2011 Shanghai WAP silver; 2015 Kazan WAP gold | |
| Keesja Gofers | WPO | Olympics | 2016—2024 | 0–1–1 2013 Barcelona WAP silver; 2019 Gwangju WAP bronze | |
| Taniele Gofers | WPO | Olympics | 2008 | 0–1–0 2007 Melbourne WAP silver | |
| Vladimir Gojković | WPO | Olympics / Coach | 2004—2024 | 1–0–1 2003 Barcelona WAP bronze (competed for Serbia and Montenegro); 2005 Montréal WAP gold (competed for Serbia and Montenegro) | |
| Natalie Golda | WPO | Olympics | 2004—2008 | 2–1–0 2003 Barcelona WAP gold; 2005 Montréal WAP silver; 2007 Melbourne WAP gold | |
| Scott Goldblatt | SWM | Olympics | 2000—2004 | 0–1–1 2001 Fukuoka SWI bronze: 4×200 m freestyle relay; 2003 Barcelona SWI silver: 4×200 m freestyle relay (swam in heats only) | |
| João Gomes Júnior | SWM | Olympics | 2016 | 0–1–1 2017 Budapest SWI silver: 50 m breaststroke; 2019 Gwangju SWI bronze: 50 m breaststroke | |
| Salvador Gómez | WPO | Olympics | 1988—2004 | 2–2–0 1991 Perth WAP silver; 1994 Roma WAP silver; 1998 Perth WAP gold; 2001 Fukuoka WAP gold | |
| Marco Antonio González | WPO | Olympics | 1988—1992 | 0–1–0 1991 Perth WAP silver | |
| Brian Goodell | SWM | Olympics | 1976 | 0–1–0 1975 Cali SWI silver: 1500 m freestyle | |
| Daniel Goodfellow | DIV | Olympics | 2016—2020 | 0–1–0 2019 Gwangju DIV silver: synchronized springboard | |
| Duncan Goodhew | SWM | Olympics | 1976—1980 | 0–0–1 1978 West Berlin SWI bronze: 4×100 m medley relay | |
| Larisa Gorchakova | SWM | Olympics | 1980 | 0–0–1 1982 Guayaquil SWI bronze: 4×100 m medley relay | |
| István Görgényi | WPO | Olympics / Coach | 1972—2004 | 1–1–0 1973 Belgrade WAP gold; 1975 Cali WAP silver | |
| Giulia Gorlero | WPO | Olympics | 2012—2016 | 0–0–1 2015 Kazan WAP bronze | |
| Melissa Gorman | OWS/SWM | Olympics | 2008—2012 | 1–1–0 2009 Roma SWI gold: 5 km open water; 2011 Shanghai SWI silver: 5 km open water team | |
| Dmitry Gorshkov | WPO | Olympics | 1992—2004 | 0–0–2 1994 Roma WAP bronze (competed for Russia); 2001 Fukuoka WAP bronze (competed for Russia) | |
| Sandy Goss | SWM | Olympics | 1984—1988 | 0–0–0 1991 Perth silver: 4×50 m freestyle relay (swam in heats only) (demonstration event) | |
| Daniela Götz | SWM | Olympics | 2004—2008 | 0–2–1 2003 Barcelona SWI silver: 4×100 m freestyle relay (swam in heats only); 2005 Montréal SWI silver: 4×100 m freestyle relay; 2005 Montréal SWI bronze: 4×100 m medley relay | |
| Janina-Kristin Götz | SWM | Olympics | 2004 | 1–0–0 1998 Perth SWI gold: 4×200 m freestyle relay (swam in heats only) | |
| Alexandros Gounas | WPO | Olympics | 2016 | 0–0–1 2015 Kazan WAP bronze | |
| Federico Grabich | SWM | Olympics | 2012—2016 | 0–0–1 2015 Kazan SWI bronze: 100 m freestyle | |
| Elka Graham | SWM | Olympics | 2000—2004 | 1–1–1 2001 Fukuoka SWI gold: 4×100 m medley relay (swam in heats only); 2003 Barcelona SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay | |
| Lara Grangeon de Villèle | OWS/SWM | Olympics | 2012—2020 | 0–0–1 2019 Gwangju SWI bronze: 25 km open water | |
| Andrey Grechin | SWM | Olympics | 2008—2016 | 0–2–1 2009 Roma SWI silver: 4×100 m freestyle relay; 2013 Barcelona SWI bronze: 4×100 m freestyle relay; 2015 Kazan SWI silver: 4×100 m freestyle relay | |
| Luke Greenbank | SWM | Olympics / YOG | 2014—2024 | 1–0–1 2019 Gwangju SWI gold: 4×100 m medley relay, bronze: 200 m backstroke | |
| Steve Gregg | SWM | Olympics | 1976 | 0–2–0 1973 Belgrade SWI silver: 200 m butterfly; 1978 West Berlin SWI silver: 200 m butterfly | |
| Melania Grego | WPO | Olympics | 2004 | 2–1–1 1994 Roma WAP bronze; 1998 Perth WAP gold; 2001 Fukuoka WAP gold; 2003 Barcelona WAP silver | |
| Alison Gregorka | WPO | Olympics | 2008 | 2–0–0 2007 Melbourne WAP gold; 2009 Roma WAP gold | |
| Matt Grevers | SWM | Olympics | 2008—2012 | 6–5–2 2009 Roma SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2013 Barcelona SWI gold: 100 m backstroke, silver: 50 m backstroke; 2015 Kazan SWI gold: 4×100 m medley relay (swam in heats only), silver: 50 m backstroke, bronze: 100 m backstroke; 2017 Budapest SWI gold: 4×100 m medley relay and 4×100 m medley mixed relay, silver: 100 m backstroke, bronze: 50 m backstroke; 2019 Gwangju SWI silver: 4×100 m medley relay (swam in heats only) and 4×100 m medley mixed relay (swam in heats only) | |
| Julia Greville | SWM | Olympics | 1996 | 0–0–2 1998 Perth SWI bronze: 200 m freestyle and 4×200 m freestyle relay | |
| Matt Gribble | SWM | Olympics | 1984 | 3–0–0 1982 Guayaquil SWI gold: 100 m butterfly, 4×100 m medley relay, and 4×100 m freestyle relay (swam in heats only) |