| Fedlimid | | - | Ancient Irish, Irish Mythology | |
| Feidlimid | | - | Ancient Irish, Irish Mythology | |
| Felix | | FE-liks (German, Swedish), FAY-liks (Dutch), FEE-liks (English) | German, Dutch, Swedish, Norwegian, Danish, English, Romanian, Ancient Roman, Biblical, Biblical Lati | |
| Ferdinand | | FER-dee-nahnt (German, Dutch), FUR-di-nand (English), FER-dee-nahnd (Finnish) | German, French, Dutch, English, Czech, Slovene, Finnish, Ancient Germanic | |
| Festus | | FES-təs (English) | Ancient Roman, Biblical Latin, Biblical | |
| Filibert | | FEE-lee-bert (German) | German, Dutch, Ancient Germanic | |
| Finnr | | - | Ancient Scandinavian | |
| Flavia | | FLAH-vyah (Italian, Spanish) | Italian, Spanish, Romanian, Ancient Roman | |
| Flaviana | | flah-VYAH-nah (Italian) | Ancient Roman, Italian | |
| Flavianus | | - | Ancient Roman | |
| Flavius | | - | Ancient Roman | |
| Floriana | | - | Italian, Ancient Roman | |
| Florianus | | - | Ancient Roman | |
| Florus | | - | Ancient Roman | |
| Folcher | | - | Ancient Germanic | |