| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Hassaan Abdel-Khalik | SWI | 26 November 1991 | |
| Nathan Adrian | SWI | 7 December 1988 | |
| Mihail Aleksandrov | SWI | 9 April 1985 | |
| Fernanda Alvarenga | SWI | 20 August 1986 | |
| Haley Anderson | OWS/SWI | 20 November 1991 | |
| Luiz Arapiraca | OWS/SWI | 26 December 1987 | |
| Daniel Arnamnart | SWI | 14 September 1989 | |
| Christopher Ashwood | OWS/SWI | 29 November 1991 | |
| Bae Jun-Mo | SWI | 11 October 1989 | |
| Angie Bainbridge | SWI | 16 October 1989 | |
| Cara Baker | OWS/SWI | 3 July 1990 | |
| Zsofia Balazs | OWS/SWI | 4 July 1990 | |
| Henrique Barbosa | SWI | 5 July 1984 | |
| Warren Barnes | SWI | ||
| Bronte Barratt | SWI | 8 February 1989 | |
| Joe Bartoch | SWI | 3 January 1983 | |
| Jean Basson | SWI | 5 October 1987 | |
| Amanda Beard | SWI | 29 October 1981 | |
| Elizabeth Beisel | SWI | 18 August 1992 | |
| Daniel Bell | SWI | 9 May 1990 | |
| Joaquín Belza | SWI | 21 July 1983 | |
| Ricky Berens | SWI | 21 April 1988 | |
| Rachel Bootsma | SWI | 15 December 1993 | |
| Dominique Bouchard | SWI | 29 May 1991 | |
| George Bovell | SWI | 18 July 1983 | |
| Lauren Boyle | SWI | 14 December 1987 | |
| Leith Brodie | SWI | 16 July 1986 | |
| David Browne | OWS/SWI | 9 October 1987 | |
| Emily Brunemann | OWS/SWI | 19 September 1986 | |
| Moss Burmester | SWI | 19 June 1981 | |
| Craig Calder | SWI | 8 May 1986 | |
| Ashley Callus | SWI | 10 March 1979 | |
| Genevieve Cantin | SWI | 4 January 1991 | |
| Ana Carvalho | SWI | 14 February 1991 | |
| Rodrigo Castro | SWI | 21 December 1978 | |
| Tales Cerdeira | SWI | 21 January 1987 | |
| Annie Chandler Grevers | SWI | 21 August 1987 | |
| Zack Chetrat | OWS/SWI | 9 August 1990 | |
| Samantha Cheverton | SWI | 11 August 1988 | |
| Choi Gyu-Ung | SWI | 28 May 1990 | |
| Chung Lai Yeung | SWI | 1 August 1992 | |
| César Cielo Filho | SWI | 10 January 1987 | |
| Larissa Cieslak | SWI | 26 October 1987 | |
| Tyler Clary | SWI | 12 March 1989 | |
| Daniel Coakley | SWI | 13 December 1989 | |
| Ryan Cochrane | SWI | 29 October 1988 | |
| Sarah Corréa | SWI | 14 August 1992 | |
| Natalie Coughlin | SWI | 23 August 1982 | |
| Alicia Coutts | SWI | 14 September 1987 | |
| Fran Crippen | OWS/SWI | 17 April 1984 | |
| Teresa Crippen | SWI | 12 April 1990 | |
| Nick D'Arcy | SWI | 23 July 1987 | |
| Tommaso D'Orsogna | SWI | 29 December 1990 | |
| Glauber da Silva | SWI | 11 October 1986 | |
| Danielle de Francesco | OWS/SWI | 26 May 1992 | |
| Ash Delaney | SWI | 11 April 1986 | |
| Flávia Delaroli | SWI | 28 December 1983 | |
| Mary DeScenza | SWI | 17 September 1984 | |
| Leonardo de Deus | SWI | 18 January 1991 | |
| Scott Dickens | SWI | 4 August 1984 | |
| Allan do Carmo | OWS | 3 August 1989 | |
| Melanie Dodds | SWI | 1989 | |
| Mackenzie Downing | SWI | 5 October 1986 | |
| Mark Dylla | SWI | 1 December 1988 | |
| Sophie Edington | SWI | 12 December 1984 | |
| Esteban Enderica | OWS/SWI | 30 October 1990 | |
| Iván Enderica | OWS/SWI | 28 October 1991 | |
| Blair Evans | SWI | 3 April 1991 | |
| Eva Fabian | OWS | 3 August 1993 | |
| Natalia Favoreto | SWI | 24 October 1989 | |
| Lyndon Ferns | SWI | 24 September 1983 | |
| Timothy Ferris | SWI | 28 August 1990 | |
| Nick Ffrost | SWI | 14 August 1986 | |
| Leonardo Fim | SWI | 14 February 1986 | |
| Eduardo Fischer | SWI | 25 March 1980 | |
| Andrew Ford | SWI | 19 June 1989 | |
| Sally Foster | SWI | 13 April 1985 | |
| Felipe França | SWI | 14 May 1987 | |
| Charles Francis | SWI | 17 August 1988 | |
| Missy Franklin | SWI | 10 May 1995 | |
| Brett Fraser | SWI | 28 August 1989 | |
| Shaune Fraser | OWS/SWI | 29 March 1988 | |
| Thomas Fraser-Holmes | SWI | 9 October 1991 | |
| Bruno Fratus | SWI | 30 June 1989 | |
| Arthur Frayler | OWS/SWI | 16 December 1993 | |
| Katlin Freeman | SWI | 16 May 1987 | |
| Takuro Fujii | SWI | 21 April 1985 | |
| Maiko Fujino | SWI | 25 May 1983 | |
| Tomoyo Fukuda | SWI | 20 May 1989 | |
| Alexandra Gabor | SWI | 4 May 1993 | |
| Felicity Galvez | SWI | 4 March 1985 | |
| Gang Yong-Hwan | SWI | 10 March 1985 | |
| Mark Gangloff | SWI | 8 June 1982 | |
| Andrew Gemmell | OWS/SWI | 20 February 1991 | |
| Amaka Gessler | SWI | 24 April 1990 | |
| Katie Goldman | SWI | 5 July 1992 | |
| João Gomes Júnior | SWI | 21 January 1986 | |
| Melissa Gorman | OWS/SWI | 11 December 1985 | |
| Federico Grabich | SWI | 26 March 1990 | |
| Marieke Guehrer | SWI | 9 February 1986 | |
| Guilherme Guido | SWI | 12 February 1987 | |
| Jayden Hadler | SWI | 23 September 1993 | |
| Kosuke Hagino | SWI | 15 August 1994 | |
| Tomoko Hagiwara | SWI | 13 April 1980 | |
| Samantha Hamill | SWI | 23 February 1991 | |
| Stackey Hansford | OWS | 25 September 1990 | |
| Ranmaru Harada | SWI | 17 December 1987 | |
| Jessica Hardy | SWI | 12 March 1987 | |
| Jordan Hartney | SWI | 26 July 1988 | |
| Matt Hawes | SWI | 17 February 1986 | |
| Brent Hayden | SWI | 21 October 1983 | |
| Kathleen Hersey | SWI | 21 February 1990 | |
| Jumpei Higashi | SWI | ||
| Tash Hind | SWI | 21 August 1989 | |
| Stefan Hirniak | SWI | 5 February 1985 | |
| Belinda Hocking | SWI | 14 September 1990 | |
| Katie Hoff | SWI | 3 June 1989 | |
| Yuya Horihata | SWI | 30 July 1990 | |
| Richard Hortness | SWI | 23 May 1985 | |
| Samantha Hoschke-Edwards | OWS | 1989 | |
| Akane Hoshi | SWI | 2 June 1991 | |
| Natsumi Hoshi | SWI | 21 August 1990 | |
| Charlie Houchin | SWI | 3 November 1987 | |
| Hsu Chi-Chieh | SWI | 27 April 1988 | |
| Geoff Huegill | SWI | 4 March 1979 | |
| Tanya Hunks | OWS/SWI | 24 August 1980 | |
| Robert Hurley | SWI | 26 September 1988 | |
| Melissa Ingram | SWI | 24 June 1985 | |
| Ryosuke Irie | SWI | 24 January 1990 | |
| Hanae Ito | SWI | 18 January 1985 | |
| Makoto Ito | SWI | 27 February 1986 | |
| Sebastián Jahnsen | FIN/SWI | 8 September 1990 | |
| Jang Sang-Jin | SWI | 1 February 1991 | |
| Barbara Jardin | SWI | 22 October 1991 | |
| Christine Jennings | OWS/SWI | 7 May 1987 | |
| Jeong Da-Rae | SWI | 2 December 1991 | |
| Jeong Du-Hui | SWI | 4 December 1984 | |
| Brian Johns | SWI | 5 August 1982 | |
| Cullen Jones | SWI | 29 February 1984 | |
| Leisel Jones | SWI | 30 August 1985 | |
| Kara Lynn Joyce | SWI | 25 October 1985 | |
| Kaio Márcio | SWI | 19 October 1984 | |
| Marie Kamimura | SWI | 22 April 1994 | |
| Kazuya Kaneda | SWI | 5 November 1987 | |
| Rie Kaneto | SWI | 8 September 1988 | |
| Lucas Kanieski | SWI | 25 January 1990 | |
| Izumi Kato | SWI | 24 March 1990 | |
| Yuka Kato | SWI | 30 October 1986 | |
| Sarah Katsoulis | SWI | 10 May 1984 | |
| Fumiko Kawanabe | SWI | 29 August 1984 | |
| Gareth Kean | SWI | 5 October 1991 | |
| Elliott Keefer | SWI | 19 April 1989 | |
| Madison Kennedy | SWI | 22 December 1987 | |
| Yumi Kida | OWS/SWI | 30 June 1985 | |
| Kim Min-Gyu | SWI | 17 June 1991 | |
| Savannah King | SWI | 4 June 1992 | |
| Masayuki Kishida | SWI | 24 November 1985 | |
| Kosuke Kitajima | SWI | 22 September 1982 | |
| Michael Klueh | OWS/SWI | 15 March 1987 | |
| Yuki Kobori | SWI | 25 November 1993 | |
| Kristel Köbrich | OWS/SWI | 9 August 1985 | |
| Junya Koga | SWI | 19 July 1987 | |
| Alexa Komarnycky | SWI | 5 October 1989 | |
| Kong Chun Yin | SWI | ||
| Paul Kornfeld | SWI | 19 April 1987 | |
| Yolane Kukla | SWI | 29 September 1995 | |
| Ariana Kukors | SWI | 1 June 1989 | |
| Julyana Kury | SWI | 16 July 1983 | |
| Shunsuke Kuzuhara | SWI | 21 April 1989 | |
| Chad La Tourette | OWS/SWI | 7 October 1988 | |
| Audrey Lacroix | SWI | 17 November 1983 | |
| Sarra Lajnef | OWS/SWI | 5 September 1989 | |
| Claudia Lau | SWI | 11 November 1992 | |
| Andrew Lauterstein | SWI | 22 May 1987 | |
| Lauren Lavigna | SWI | 30 January 1989 | |
| Micah Lawrence | SWI | 20 July 1990 | |
| Caitlin Leverenz | SWI | 26 February 1991 | |
| Jason Lezak | SWI | 12 November 1975 | |
| Lynette Lim | SWI | 25 April 1992 | |
| Felipe Lima | MOP/SWI | 5 April 1985 | |
| Ryan Lochte | SWI | 3 August 1984 | |
| Grace Loh | SWI | 1 August 1991 | |
| Gideon Louw | SWI | 4 September 1987 | |
| Manuella Lyrio | SWI | 27 July 1989 | |
| Taki M'Rabet | SWI | 28 February 1989 | |
| Christine Magnuson | SWI | 17 October 1985 | |
| James Magnussen | SWI | 11 April 1991 | |
| Rhys Mainstone-Hodson | OWS/SWI | 27 February 1990 | |
| Kier Maitland | SWI | 18 November 1988 | |
| Gabriel Mangabeira | SWI | 31 January 1982 | |
| Joanna Maranhão | SWI | 29 April 1987 | |
| Robert Margalis | SWI | 8 February 1982 | |
| Juliana Marin | SWI | 23 July 1983 | |
| Penelope Marshall | SWI | 27 July 1989 | |
| Samantha Marshall | SWI | 12 August 1992 | |
| Ahmed Mathlouthi | SWI | 18 December 1989 | |
| Maroua Mathlouthi | OWS/SWI | 22 August 1988 | |
| Takeshi Matsuda | SWI | 23 June 1984 | |
| Yayoi Matsumoto | SWI | 8 March 1990 | |
| Mina Matsushima | SWI | 25 January 1991 |