Competitors for 1919 USA Swimming National Championships (Outdoor/LCM)
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Ethelda Bleibtrey |  USA |
SWI | 27 February 1902 |
| Charlotte Boyle | USA |
SWI | 20 August 1899 |
| Leslie Bunyan | USA |
SWI | |
| Ted Cann | USA |
SWI | 3 September 1897 |
| Fanny Durack |  AUS |
SWI | 27 October 1889 |
| Edward Freil | USA |
SWI | |
| Olin J. Hosford | USA |
SWI | |
| Lothar Kolling | USA |
SWI | |
| Mitrie Konowaloff | USA |
SWI | |
| Stubby Kruger | USA |
SWI | 21 September 1897 |
| D. Clark Leach | USA |
SWI | |
| Perry McGillivray | USA |
SWI | 5 August 1893 |
| Charles Montgomery | USA |
SWI | |
| Norman Ross | USA |
SWI/WAP | 2 May 1896 |
| Louis Schaeffer | USA |
SWI | |
| George Schroth | USA |
SWI | 31 December 1899 |
| Buddy Wallen, Jr. | USA |
SWI |