| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Firoz | - | Persian | ||
| Firuz | - | Persian, Tajik | ||
| Firuzeh | - | Persian | ||
| Fishel | - | Yiddish | ||
| Fishke | - | Yiddish | ||
| Fito | - | Spanish | ||
| Fitz | FITS | English (Rare) | ||
| Fitzroy | FITS-roi | English (Rare) | ||
| FlÁVia | - | Portuguese | ||
| FlÁVio | - | Portuguese | ||
| FlaithrÍ | - | Irish | ||
| Flanagan | - | English (Rare) | ||
| Flann | FLAN | Irish | ||
| FlannÁN | - | Irish | ||
| Flannery | FLAN-ə-ree | English (Rare) |