| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Alia Atkinson | SWI | 11 December 1988 | |
| Holly Barratt | SWI | 1 January 1988 | |
| Josh Beaver | SWI | 1 March 1993 | |
| Kazimir Boskovic | SWI | 13 July 1995 | |
| David Brandl | OWS/SWI | 19 April 1987 | |
| Nic Brown | SWI | 8 March 1996 | |
| Cameron van der Burgh | SWI | 25 May 1988 | |
| Bronte Campbell | SWI | 14 May 1994 | |
| Cate Campbell | SWI | 20 May 1992 | |
| Geoffrey Cheah | SWI | 10 November 1990 | |
| Cheyenne Cheung | SWI | 12 May 1999 | |
| Ash Delaney | SWI | 11 April 1986 | |
| Tomas Elliot | SWI | 5 January 1995 | |
| Missy Franklin | SWI | 10 May 1995 | |
| Jacob Hansford | SWI | 28 September 1995 | |
| Belinda Hocking | SWI | 14 September 1990 | |
| Katinka Hosszú | SWI | 3 May 1989 | |
| Hou Yawen | OWS/SWI | 9 September 1998 | |
| Hu Yiyong | SWI | 28 July 1993 | |
| Zsu Jakabos | SWI | 3 April 1989 | |
| Madison Kennedy | SWI | 22 December 1987 | |
| Aleksandr Kudashev | SWI | 5 December 1995 | |
| Li Shuang | SWI | 26 February 1994 | |
| Liu Xiaoyu | SWI | 25 June 1988 | |
| Te Haumi Maxwell | SWI | 15 August 1994 | |
| Katsumi Nakamura | SWI | 21 February 1994 | |
| Rika Omoto | SWI | 8 May 1997 | |
| Jeanette Ottesen Gray | SWI | 30 December 1987 | |
| Vyacheslav Prudnikov | SWI | 31 October 1993 | |
| Masato Sakai | SWI | 6 June 1995 | |
| Emily Seebohm | SWI | 5 June 1992 | |
| Yuki Shirai | SWI | 17 October 1989 | |
| Vitalina Simonova | SWI | 18 September 1992 | |
| Dan Smith | SWI | 28 May 1991 | |
| Jördis Steinegger | SWI | 8 February 1983 | |
| Velimir Stjepanović | SWI | 7 August 1993 | |
| Tommy Sucipto | SWI | 10 January 1995 | |
| Rosanna Sze | SWI | 5 March 1988 | |
| Kenneth To | SWI | 7 July 1992 | |
| Matthew Treloar | SWI | 4 August 1994 | |
| Dávid Verrasztó | SWI | 22 August 1988 | |
| Ippei Watanabe | SWI | 18 March 1997 | |
| Akihiro Yamaguchi | SWI | 11 September 1994 |