| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| FEARDORCHA | - | Irish | ||
| FEARGHAL | - | Irish | ||
| FEARGHAS | - | Irish, Scottish, Irish Mythology | ||
| FEBE | FE-be (Italian) | Dutch, Spanish, Italian | ||
| FECHÍN | FE-kheen | Irish | ||
| FEDDE | FED-də | Frisian | ||
| FEDELE | fe-DE-le | Italian | ||
| FEDELM | - | Irish Mythology | ||
| FEDELMA | - | Irish | ||
| FEDELMID | - | Ancient Irish, Irish Mythology | ||
| FEDERICA | fe-de-REE-kah | Italian | ||
| FEDERICO | fe-dhe-REE-ko (Spanish), fe-de-REE-ko (Italian) | Spanish, Italian | ||
| FEDERIGO | fe-de-REE-go | Italian | ||
| FEDIR | - | Ukrainian | ||
| FEDLIMID | - | Ancient Irish, Irish Mythology |