| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Fergus | FUR-gəs (English) | Irish, Scottish, Irish Mythology | ||
| Fife | - | Scottish | ||
| Filib | - | Scottish | ||
| Findlay | - | Scottish | ||
| Finella | - | Scottish | ||
| Fingal | - | Scottish | ||
| Fingall | - | Scottish | ||
| Finlay | - | Irish, Scottish, English | ||
| Finley | - | Irish, Scottish, English | ||
| Finola | - | Irish, Scottish | ||
| Fiona | fee-O-nə | Scottish, English | ||
| Fionnghall | - | Scottish | ||
| Fionnghuala | - | Irish, Scottish, Irish Mythology | ||
| Fionnlagh | - | Irish, Scottish | ||
| Fionntan | - | Irish, Scottish |