| Frédéric Firmenich | |
| Nationality: | Swiss |
| Sport: | Sailing |
| Birth Date: | 23 December 1874 |
| Birth Place: | Geneva, Switzerland |
| Death Place: | Geneva, Switzerland |
Frédéric Firmenich (23 December 1874 - 5 January 1953) was a Swiss sailor. He competed in the 6 Metre event at the 1936 Summer Olympics.[1]