| Feliciana | | fe-lee-THYAH-nah (Spanish), fe-lee-SYAH-nah (Latin American Spanish), fay-lee-CHYAH-nah (Italian) | Spanish, Italian, Late Roman | |
| Felicianus | | - | Late Roman | |
| Felicitas | | fe-LEE-tsee-tahs (German) | German, Late Roman, Roman Mythology | |
| Felicius | | - | Late Roman | |
| Felina | | - | Late Roman | |
| Felinus | | - | Late Roman | |
| Felix | | FE-liks (German, Swedish), FAY-liks (Dutch), FEE-liks (English) | German, Dutch, Swedish, Norwegian, Danish, English, Romanian, Ancient Roman, Biblical, Biblical Lati | |
| Ferrutius | | - | Late Roman | |
| Festus | | FES-təs (English) | Ancient Roman, Biblical Latin, Biblical | |
| Fidelis | | - | Late Roman | |
| Firminus | | - | Late Roman | |
| Flavia | | FLAH-vyah (Italian, Spanish) | Italian, Spanish, Romanian, Ancient Roman | |
| Flaviana | | flah-VYAH-nah (Italian) | Ancient Roman, Italian | |
| Flavianus | | - | Ancient Roman | |
| Flaviu | | - | Romanian | |