| F.31 | |
|---|---|
| Role | Fighter |
| National origin | France |
| Manufacturer | Farman |
| Designer | Henry Farman |
| First flight | Summer 1918 |
| Number built | 1 |
The Farman F.31 was a French fighter prototype of the 1910s, the second foray into fighter design by Farman, a firm more usually associated with bombers. The project was short-lived, lasting only 3 months.