| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Fionnghuala | - | Irish, Scottish, Irish Mythology | ||
| Fionnlagh | - | Irish, Scottish | ||
| Fionntan | - | Irish, Scottish | ||
| Fionola | - | Irish, Scottish | ||
| Firdaus | - | Arabic, Persian | ||
| Firdos | - | Arabic | ||
| Firmin | feer-MEN | French | ||
| Fizza | - | Arabic | ||
| Flavia | FLAH-vyah (Italian, Spanish) | Italian, Spanish, Romanian, Ancient Roman | ||
| Flaviana | flah-VYAH-nah (Italian) | Ancient Roman, Italian | ||
| Flavianus | - | Ancient Roman | ||
| Flavie | fla-VEE | French | ||
| Flavien | fla-vee-AWN | French | ||
| Flavienne | fla-vee-EN | French | ||
| Flavius | - | Ancient Roman |