Competitors for 1999 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Pablo Abal |  ARG |
SWI | 19 March 1977 |
| Franziska van Almsick |  GER |
SWI | 5 April 1978 |
| Carlos Arena |  MEX |
SWI | 2 August 1975 |
| Talor Bendel |  USA |
SWI | |
| Lindsay Benko | USA |
SWI | 29 November 1976 |
| Alejandro Bermúdez |  COL |
SWI | 30 March 1975 |
| Gustavo Borges |  BRA |
SWI | 2 December 1972 |
| Beth Botsford | USA |
SWI | 21 May 1981 |
| Emiliano Brembilla |  ITA |
SWI | 21 December 1978 |
| Chris-Carol Bremer | GER |
SWI | 5 January 1971 |
| Bobby Brewer | USA |
SWI | |
| Carrie Burgoyne |  CAN |
SWI | 12 December 1981 |
| Antje Buschschulte | GER |
SWI | 27 December 1978 |
| Kristy Cameron | CAN |
SWI | |
| Karen Campbell | USA |
SWI | 1977 |
| Isabel Ceballos | COL |
SWI | 3 February 1979 |
| Sarah Chandler | USA |
SWI | |
| Leonardo Costa | BRA |
SWI | 12 May 1977 |
| Josh Davis | USA |
SWI | 1 September 1972 |
| Fred Deburghgraeve |  BEL |
SWI | 1 June 1973 |
| Jessica Deglau | CAN |
SWI | 27 May 1980 |
| Kelly Denner |  AUS |
SWI | |
| Erin Gammel | CAN |
SWI | 13 March 1980 |
| Gary Hall, Jr. | USA |
SWI | 26 September 1974 |
| Rachel Harris | AUS |
SWI | 15 March 1979 |
| Shannon Hosack | USA |
SWI | |
| Hu Ning |  CHN |
SWI | 1982 |
| Geoff Huegill | AUS |
SWI | 4 March 1979 |
| Ryosuke Imai |  JPN |
SWI | 1978 |
| Katrin Jäke |  GDR GER |
SWI | 1973 |
| Riley Janes | CAN |
SWI | 30 June 1980 |
| Brian Johns | CAN |
SWI | 5 August 1982 |
| Morgan Knabe | CAN |
SWI | 20 May 1981 |
| Liesl Kolbisen | USA |
SWI | 1976 |
| Lenny Krayzelburg | USA |
SWI | 28 September 1975 |
| Cara Lane | USA |
SWI | |
| Marianne Limpert | CAN |
SWI | 10 October 1972 |
| Jeremy Linn | USA |
SWI | 6 January 1975 |
| Thomas Lohfink | GER |
SWI | 4 July 1978 |
| Kristin MacGregor | USA |
SWI | |
| Sabir Muhammad | USA |
SWI | 14 April 1976 |
| Ning Bo | CHN |
SWI | 1983 |
| Junko Onishi | JPN |
SWI | 18 October 1974 |
| Christin Petelski | CAN |
SWI | 29 December 1977 |
| Claudia Poll |  CRC |
SWI | 21 December 1972 |
| Rick Say | CAN |
SWI | 18 May 1979 |
| Xuxa Scherer | BRA |
SWI | 6 October 1974 |
| Kelly Stefanyshyn | CAN |
SWI | 6 July 1982 |
| Lauren Stinnert | USA |
SWI | |
| Denys Sylantiev |  UKR |
SWI | 3 October 1976 |
| Uğur Taner |  TUR USA |
SWI | 20 June 1974 |
| Ashley Tappin | USA |
SWI | 18 December 1974 |
| Jenny Thompson | USA |
SWI | 26 February 1973 |
| Ian Thorpe | AUS |
SWI | 13 October 1982 |
| Rob Van der Zant | AUS |
SWI | 2 February 1975 |
| Erik Vendt | USA |
SWI | 9 January 1981 |
| Allison Wagner | USA |
SWI | 21 July 1977 |
| Erik Weiss | USA |
SWI | |
| Philip Weiss | CAN |
SWI | 1979 |
| Steve West | USA |
SWI | 1972 |
| Yu Daqing | CHN |
SWI | 1978 |