| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Felina | - | Late Roman | ||
| Felinus | - | Late Roman | ||
| Ferrutius | - | Late Roman | ||
| Fidelis | - | Late Roman | ||
| Firminus | - | Late Roman | ||
| Florentia | - | Late Roman | ||
| Florentina | - | Spanish, Late Roman | ||
| Florentinus | - | Late Roman | ||
| Florentius | - | Late Roman | ||
| Florina | - | Romanian, Spanish, Dutch, Late Roman | ||
| 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 |