| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Florinus | - | Late Roman | ||
| Fortunata | - | Italian, Spanish, Portuguese, Late Roman | ||
| Fortunatus | - | Late Roman | ||
| Francisca | frahn-THEES-kah (Spanish), frahn-SEES-kah (Latin American Spanish), frən-SEESH-kə (Portuguese) | Spanish, Portuguese, Late Roman | ||
| Franciscus | frahn-SIS-kus (Dutch) | Late Roman, Dutch | ||
| Frigidianus | - | Late Roman | ||
| Fulgentius | - | Late Roman |