| Fergal | Man | Irish Names |
| Fews | Unisex | Irish Names |
| Fiachra | Man | Irish Names |
| Fíadh | Woman | Irish Names |
| Fiana | Woman | Irish Names |
| Fidelma | Woman | Irish Names |
| Findlay | Man | Irish Names |
| Fineen | Man | Irish Names |
| Finn | Man | Irish Names |
| Finna | Woman | Irish Names |
| Finneas | Man | Irish Names |
| Finnegan | Unisex | Irish Names |
| Finnian | Man | Irish Names |
| Finola | Woman | Irish Names |
| Fionan | Man | Irish Names |
| Fionn | Man | Irish Names |
| Fionnuala | Woman | Irish Names |
| Fionnula | Woman | Irish Names |
| Fitzgerald | Man | Irish Names |
| Flan | Man | Irish Names |