| Event: | Men's flyweight boxing |
| Games: | 1904 Summer |
| Venue: | Physical Culture Gymnasium (Washington University in St. Louis) |
| Date: | September 22 |
| Competitors: | 2 |
| Nations: | 1 |
| Gold: | George Finnegan |
| Goldnoc: | USA |
| Silver: | Miles Burke |
| Silvernoc: | USA |
| Next: | 1920 |
The flyweight was the lightest boxing weight class held as part of the boxing programme at the 1904 Summer Olympics. The competition was held on September 22, 1904. It was the first time the event, like all other boxing events, was held in Olympic competition.[1]