Competitors for 2018 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Michael Andrew |  USA |
SWI | 18 April 1999 |
| Alia Atkinson |  JAM |
SWI | 11 December 1988 |
| Kathleen Baker | USA |
SWI | 28 February 1997 |
| Anton Chupkov |  RUS |
SWI | 22 February 1997 |
| Vladislav Grinev |  NEU RUS |
SWI | 21 July 1996 |
| Molly Hannis | USA |
SWI | 13 March 1992 |
| Femke Heemskerk |  NED |
SWI | 21 September 1987 |
| Mack Horton |  AUS |
SWI | 25 April 1996 |
| Katinka Hosszú |  HUN |
SWI | 3 May 1989 |
| Ryosuke Irie |  JPN |
SWI | 24 January 1990 |
| Mariya Kameneva | NEU RUS |
SWI | 27 May 1999 |
| Arno Kamminga | NED |
SWI | 22 October 1995 |
| Radosław Kawęcki |  POL |
SWI | 16 August 1991 |
| Ranomi Kromowidjojo | NED |
SWI | 20 August 1990 |
| Mitch Larkin | AUS |
SWI | 9 July 1993 |
| Chad le Clos |  RSA |
SWI | 12 April 1992 |
| Felipe Lima |  BRA |
MOP/SWI | 5 April 1985 |
| Melanie Margalis | USA |
SWI | 30 December 1991 |
| Kosuke Matsui | JPN |
SWI | 28 March 1994 |
| Etiene Medeiros | BRA |
SWI | 24 May 1991 |
| Mehdy Metella |  FRA |
SWI | 17 July 1992 |
| Vladimir Morozov | NEU RUS |
SWI | 16 June 1992 |
| Yui Ohashi | JPN |
SWI | 18 October 1995 |
| Blake Pieroni | USA |
SWI | 15 November 1995 |
| Kirill Prigoda | NEU RUS |
SWI | 29 December 1995 |
| Jesse Puts | NED |
SWI | 1 August 1994 |
| Qiu Ziao |  CHN |
SWI | 30 August 1998 |
| Nicholas Santos | BRA |
SWI | 14 February 1980 |
| Emily Seebohm | AUS |
SWI | 5 June 1992 |
| Daiya Seto | JPN |
SWI | 24 May 1994 |
| Maksym Shemberiev |  AZE UKR |
SWI | 25 September 1993 |
| Vitalina Simonova | RUS |
SWI | 18 September 1992 |
| Sarah Sjöström |  SWE |
SWI | 17 August 1993 |
| Leah Smith | USA |
SWI | 19 April 1995 |
| Peter John Stevens |  SLO |
SWI | 1 June 1995 |
| Kyle Stolk | NED |
SWI | 28 June 1996 |
| Brad Tandy | RSA |
SWI | 2 May 1991 |
| Grigory Tarasevich | RUS |
SWI | 1 August 1995 |
| Kira Toussaint | NED |
SWI | 22 May 1994 |
| Jessica Vall |  ESP |
SWI | 22 November 1988 |
| Joeri Verlinden | NED |
SWI | 22 January 1988 |
| Dávid Verrasztó | HUN |
SWI | 22 August 1988 |
| Wang Jianjiahe | CHN |
SWI | 17 July 2002 |
| Kelsi Worrell | USA |
SWI | 15 July 1994 |
| Yuya Yajima | JPN |
SWI | 14 July 1996 |
| Yuliya Yefimova | NEU RUS |
SWI | 3 April 1992 |
| Anna Yegorova | NEU RUS |
SWI | 31 May 1998 |
| Poul Zellmann |  GER |
SWI | 2 September 1995 |
| Zhang Yufei | CHN |
SWI | 19 April 1998 |
| Zhou Min | CHN |
SWI | 16 December 1997 |