| Event: | Men's flyweight freestyle wrestling |
| Games: | 1904 Summer |
| Venue: | Francis Field |
| Date: | October 15 |
| Competitors: | 3 |
| Nations: | 1 |
| Gold: | George Mehnert |
| Goldnoc: | USA |
| Silver: | Gustave Bauer |
| Silvernoc: | USA |
| Bronze: | William Nelson |
| Bronzenoc: | USA |
| Next: | 1948 |
The flyweight was the second lightest freestyle wrestling weight class held as part of the wrestling programme at the 1904 Summer Olympics. It included wrestlers weighing 105to.[1] It was the first time the event, like all other freestyle wrestling events, was held in Olympic competition. Three wrestlers competed.[2]