Competitors for 2018 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Michael Andrew |  USA |
SWI | 18 April 1999 |
| Minna Atherton |  AUS |
SWI | 17 May 2000 |
| Alia Atkinson |  JAM |
SWI | 11 December 1988 |
| Chen Ruohan |  CHN |
SWI | 23 September 2001 |
| Chen Xiaoxue | CHN |
SWI | 20 November 2000 |
| Anton Chupkov |  RUS |
SWI | 22 February 1997 |
| Gemma Cooney | AUS |
SWI | 10 November 1999 |
| Serhiy Frolov |  UKR |
OWS/SWI | 14 April 1992 |
| Fu Yuanhui | CHN |
SWI | 7 January 1996 |
| Hiromasa Fujimori |  JPN |
SWI | 7 August 1991 |
| Jared Gilliland | AUS |
SWI | 22 November 1994 |
| He Yun | CHN |
SWI | 12 September 1996 |
| Femke Heemskerk |  NED |
SWI | 21 September 1987 |
| Katinka Hosszú |  HUN |
SWI | 3 May 1989 |
| Hou Yujie | CHN |
SWI | 13 April 1998 |
| Ji Xinjie | CHN |
SWI | 27 October 1997 |
| Ranomi Kromowidjojo | NED |
SWI | 20 August 1990 |
| Mitch Larkin | AUS |
SWI | 9 July 1993 |
| Li Bingjie | CHN |
SWI | 3 March 2002 |
| Li Guangyuan | CHN |
SWI | 27 February 1997 |
| Li Tianyao | CHN |
SWI | 15 April 2001 |
| Li Zhuhao | CHN |
SWI | 9 January 1999 |
| Liu Lei | CHN |
SWI | 21 October 1998 |
| Liu Yaxin | CHN |
OWS/SWI | 16 June 1999 |
| Liu Zhitong | CHN |
SWI | 3 February 2004 |
| Vladimir Morozov |  NEU RUS |
SWI | 16 June 1992 |
| Blake Pieroni | USA |
SWI | 15 November 1995 |
| Kirill Prigoda | NEU RUS |
SWI | 29 December 1995 |
| Mykhailo Romanchuk | UKR |
OWS/SWI | 7 August 1996 |
| Emily Seebohm | AUS |
SWI | 5 June 1992 |
| Shi Weijia | CHN |
SWI | 13 January 1994 |
| Ilia Shymanovich |  BLR NEU |
SWI | 2 August 1994 |
| Vitalina Simonova | RUS |
SWI | 18 September 1992 |
| Sarah Sjöström |  SWE |
SWI | 17 August 1993 |
| Keita Sunama | JPN |
SWI | 8 May 1995 |
| Brad Tandy |  RSA |
SWI | 2 May 1991 |
| Tang Qianting | CHN |
SWI | 14 March 2004 |
| Kira Toussaint | NED |
SWI | 22 May 1994 |
| Yauhen Tsurkin | BLR |
SWI | 9 December 1990 |
| Masayuki Umemoto | JPN |
SWI | 1994 |
| Dávid Verrasztó | HUN |
SWI | 22 August 1988 |
| Wang Shun | CHN |
SWI | 11 February 1994 |
| Wang Yichun | CHN |
SWI | 4 April 2005 |
| Matt Wilson | AUS |
SWI | 8 December 1998 |
| Bradley Woodward | AUS |
SWI | 5 July 1998 |
| Wu Yue | CHN |
SWI | 8 October 1997 |
| Xu Jiayu | CHN |
SWI | 19 August 1995 |
| Yan Zibei | CHN |
SWI | 12 October 1995 |
| Yang Caiping | CHN |
SWI | 25 January 1998 |
| Yang Junxuan | CHN |
SWI | 26 January 2002 |
| William Yang | AUS |
SWI | 11 October 1998 |
| Ye Shiwen | CHN |
SWI | 1 March 1996 |
| Yuliya Yefimova | NEU RUS |
SWI | 3 April 1992 |
| Yu Hexin | CHN |
SWI | 1 January 1996 |
| Zhang Yufei | CHN |
SWI | 19 April 1998 |
| Zhang Yuhan | CHN |
SWI | 6 January 1995 |
| Zhen Yao | CHN |
SWI | 20 October 2000 |
| Zhou Min | CHN |
SWI | 16 December 1997 |
| Zhu Menghui | CHN |
SWI | 23 March 1999 |
| Zhu Sunxiao | CHN |
SWI | 5 February 1999 |