Competitors for 2004 United States Olympic Trials (swimming)
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| John Abercrombie |  USA |
SWI | 1982 |
| Randall Bal | USA |
SWI | 14 November 1980 |
| Ethan Bassett | USA |
SWI | |
| Noelle Bassi | USA |
SWI | |
| Amanda Beard | USA |
SWI | 29 October 1981 |
| Lindsay Benko | USA |
SWI | 29 November 1976 |
| Brooke Bennett | USA |
SWI | 6 May 1980 |
| Adrienne Binder | USA |
SWI | 1985 |
| Beth Botsford | USA |
SWI | 21 May 1981 |
| Maggie Bowen | USA |
SWI | 1980 |
| Caroline Bruce | USA |
SWI | 9 June 1986 |
| Nick Brunelli | USA |
SWI | 18 December 1981 |
| Stephanie Carr | USA |
SWI | |
| Chad Carvin | USA |
SWI | 13 April 1974 |
| Andrea Cassidy | USA |
SWI | 1982 |
| Kristen Caverly | USA |
SWI | 20 September 1984 |
| Demerae Christianson | USA |
SWI | 1981 |
| Aaron Ciarla | USA |
SWI | 1978 |
| Kevin Clements | USA |
SWI | 1980 |
| Haley Cope | USA |
SWI | 11 April 1979 |
| Ritz Correia | USA |
SWI | 31 December 1981 |
| Natalie Coughlin | USA |
SWI | 23 August 1982 |
| Fran Crippen | USA |
OWS/SWI | 17 April 1984 |
| Ian Crocker | USA |
SWI | 31 August 1982 |
| Daniel Cruz | USA |
SWI | |
| Tyler DeBerry | USA |
SWI | |
| Chris Dejong | USA |
SWI | 15 April 1984 |
| David Denniston | USA |
SWI | 1978 |
| Mary DeScenza | USA |
SWI | 17 September 1984 |
| Daniel DiToro | USA |
SWI | |
| Eric Donnelly | USA |
SWI | 8 June 1980 |
| Nate Dusing | USA |
SWI | 25 November 1978 |
| Kate Dwelley | USA |
SWI | 10 February 1989 |
| Lindsay Etter | USA |
SWI | |
| Paul Fahey | USA |
SWI | 1983 |
| Maureen Farrell | USA |
SWI | 1983 |
| Dan Gallagher | USA |
SWI | 8 August 1979 |
| Mark Gangloff | USA |
SWI | 8 June 1982 |
| Scott Goldblatt | USA |
SWI | 12 July 1979 |
| Matt Grevers | USA |
SWI | 26 March 1985 |
| Gary Hall, Jr. | USA |
SWI | 26 September 1974 |
| Tommy Hannan | USA |
SWI | 14 January 1980 |
| Brendan Hansen | USA |
SWI | 15 August 1981 |
| Pam Hanson | USA |
SWI | 1979 |
| Jessica Hardy | USA |
SWI | 12 March 1987 |
| Morgan Hentzen | USA |
SWI | 1 February 1985 |
| Margaret Hoelzer | USA |
SWI | 30 March 1983 |
| Katie Hoff | USA |
SWI | 3 June 1989 |
| Bryce Hunt | USA |
SWI | 7 July 1982 |
| Ryan Hurley | USA |
SWI | 15 October 1985 |
| Misty Hyman | USA |
SWI | 23 March 1979 |
| Tanica Jamison | USA |
SWI | 30 September 1981 |
| Rhi Jeffrey | USA |
SWI | 25 October 1986 |
| Larsen Jensen | USA |
SWI | 1 September 1985 |
| Kara Lynn Joyce | USA |
SWI | 25 October 1985 |
| Kalyn Keller | USA |
OWS/SWI | 3 April 1985 |
| Klete Keller | USA |
OWS/SWI | 21 March 1982 |
| Dan Ketchum | USA |
SWI | 7 October 1981 |
| Alyssa Kiel | USA |
SWI | 1987 |
| Dana Kirk | USA |
SWI | 23 June 1984 |
| Tara Kirk | USA |
SWI | 12 July 1982 |
| John Koehler | USA |
SWI | |
| Rachel Komisarz | USA |
SWI | 5 December 1976 |
| Kristy Kowal | USA |
SWI | 9 October 1978 |
| Lenny Krayzelburg | USA |
SWI | 28 September 1975 |
| Colleen Lanné | USA |
SWI | 18 August 1979 |
| James Lawler | USA |
SWI | 1982 |
| Jason Lezak | USA |
SWI | 12 November 1975 |
| Timothy Liebhold | USA |
SWI | 2 January 1983 |
| Ryan Lochte | USA |
SWI | 3 August 1984 |
| Tom Malchow | USA |
SWI | 18 August 1976 |
| Robert Margalis | USA |
SWI | 8 February 1982 |
| Gary Marshall | USA |
SWI | 1982 |
| Peter Marshall | USA |
SWI | 9 March 1982 |
| Hayley McGregory | USA |
SWI | 13 January 1986 |
| Sara McLarty | USA |
OWS/SWI/TRI | 1983 |
| Erica Meissner | USA |
SWI | |
| Patrick Mellors | USA |
SWI | 16 December 1985 |
| Ben Michaelson | USA |
SWI | 13 November 1981 |
| Justin Mortimer | USA |
SWI | 1982 |
| Ed Moses | USA |
SWI | 7 June 1980 |
| Sabir Muhammad | USA |
SWI | 14 April 1976 |
| Diana Munz | USA |
SWI | 19 June 1982 |
| Whitney Myers | USA |
SWI | 8 September 1984 |
| Kellan O'Connor | USA |
SWI | |
| Aaron Peirsol | USA |
SWI | 23 July 1983 |
| Hayley Peirsol | USA |
SWI | 9 August 1985 |
| Bethany Pendleton | USA |
SWI | 1982 |
| Michael Phelps | USA |
SWI | 30 June 1985 |
| Carly Piper | USA |
SWI | 23 September 1983 |
| Megan Quann-Jendrick | USA |
SWI | 15 January 1984 |
| Michael Raab | USA |
SWI | 28 December 1982 |
| Carmen Retrum | USA |
SWI | |
| Lauren Rogers | USA |
SWI | 20 June 1987 |
| Gabrielle Rose |  BRA USA |
SWI | 1 November 1977 |
| Jeff Rouse | USA |
SWI | 6 December 1970 |
| Kaitlin Sandeno | USA |
SWI | 13 March 1983 |
| Eric Shanteau | USA |
SWI | 1 October 1983 |
| Courtney Shealy | USA |
SWI | 12 December 1977 |
| Erin Sieper | USA |
SWI | |
| Julia Smit | USA |
SWI | 14 December 1987 |
| Staciana Stitts | USA |
SWI | 12 September 1981 |
| Hongzhe Sun |  HAW USA |
SWI | |
| Kevin Swander | USA |
SWI | 9 March 1984 |
| Dominick Szabo | USA |
SWI | |
| Davis Tarwater | USA |
SWI | 24 March 1984 |
| Chris Thompson | USA |
OWS/SWI | 30 November 1978 |
| Jenny Thompson | USA |
SWI | 26 February 1973 |
| Wildman Tobriner | USA |
SWI | |
| Scott Usher | USA |
SWI | 27 April 1983 |
| Doug Van Wie | USA |
SWI | 31 May 1984 |
| Kim Vandenberg | USA |
SWI | 13 December 1983 |
| Peter Vanderkaay | USA |
SWI | 12 February 1984 |
| Erik Vendt | USA |
SWI | 9 January 1981 |
| Peter Verhoef | USA |
SWI | 6 July 1984 |
| Erin Volcán | USA VEN |
SWI | 12 January 1984 |
| Dana Vollmer | USA |
SWI | 13 November 1987 |
| Jessica Wagner | USA |
SWI | |
| Luke Wagner | USA |
SWI | 9 October 1981 |
| Neil Walker | USA |
SWI | 25 June 1976 |
| Sarah Wanezek | USA |
SWI | 1982 |
| Garrett Weber-Gale | USA |
SWI | 6 August 1985 |
| Amanda Weir | USA |
SWI | 11 March 1986 |
| Dan Westcott | USA |
SWI | 1980 |
| Brielle White | USA |
SWI | 2 July 1983 |
| Tom Wilkens | USA |
SWI | 25 November 1975 |
| Ryan Wochomurka | USA |
SWI | 20 June 1983 |
| Gabe Woodward | USA |
SWI | 6 July 1979 |
| Katie Yevak | USA |
SWI | 1982 |
| Kate Ziegler | USA |
SWI | 27 June 1988 |