| Flanders | Man | English Names |
| Flann | Unisex | Irish Names |
| Flannery | Unisex | Irish Names |
| Flash | Unisex | American Names |
| Flavia | Woman | Latin Names |
| Flavian | Man | Greek Names |
| Flavio | Man | Spanish Names |
| Flavius | Man | Latin Names |
| Fleming | Man | French Names |
| Fleta | Woman | English Names |
| Fletcher | Man | English Names |
| Fleur | Woman | French Names |
| Flint | Man | English Names |
| Flip | Man | Dutch Names |
| Flo | Woman | English Names |
| Flor | Woman | Spanish Names |
| Flora | Woman | Latin Names |
| Florabel | Woman | Latin Names |
| Floramaria | Woman | Spanish Names |
| Florence | Woman | Latin Names |