| Name | Meaning | Gender | Origin |
|---|
| Fluke | | Unisex | Hebrew |
| Fonzie | Abbreviation of Alfonso.
| Male | |
| Forest | out of the woods | Male | |
| Fox | A carnivorous mammal, related to the Dog, that has a long bushy tail. | Male | Animal |
| Francesca | Free | Female | Latin |
| Francine | Of France | Female | French |
| Frankie | Diminutive of Frank Free: a free man. Frankie is occasionally used for girls.
| Male | |
| Freak | | Unisex | Hebrew |
| Fred | From Frederick - Peaceful ruler. | Male | |
| Freddie | peaceful ruler | Male | Dininutive |
| Frenzy | | Unisex | Hebrew |
| Freud | | Unisex | Hebrew |
| Frida | peaceful | Female | |
| Frisky | | Unisex | Hebrew |
| Frog | Tailless amphibian having webbed feet and long hind legs. | Unisex | |
| Furball | | Male | Hebrew |
| Furby | | Unisex | Hebrew |
| Furrari | | Unisex | Hebrew |
| Gabrielle | God is my strength | Female | |
| Gadget | | Male | Hebrew |
| Garbo | polite, kind | Female | Italian |
| Garfield | Famous comis strip character. English: From the triangular field.
| Male | English |
| Gato | | Unisex | Hebrew |
| Gator | | Male | Hebrew |
| Gavin | White hawk
| Male | Celtic |