| Name | Meaning | Gender | Origin |
|---|
| Flash | To move rapidly. | Unisex | English |
| Flint | A flint-worker | Male | English |
| Flopsy | | Unisex | Hebrew |
| Floyd | Grey | Male | Welsh |
| Foxy | Resembling a fox. Slang for sexy | Unisex | English |
| Frankie | Diminutive Of Frank Free: A Free Man. Frankie Is Occasionally Used For Girls. | Male | English |
| Franky | From France | Unisex | Latin |
| Freckles | Dotted with small brownish spots. | Unisex | English |
| Fred | Peaceful ruler | Male | Germanic |
| Freddie | Peaceful ruler | Male | German |
| Freddy | Peaceful ruler | Male | German |
| Freedom | Freedom, Liberty | Unisex | English |
| Freeway | | Unisex | Hebrew |
| Frisky | | Unisex | Hebrew |
| Fritz | Peaceful ruler | Male | German |
| Frodo | Wise by experience | Unisex | Literary |
| Furball | | Unisex | Hebrew |
| Fuzzy | | Unisex | Hebrew |
| Garfield | Triangular field | Male | English |
| Gator | | Unisex | Hebrew |
| Gavin | White hawk of battle | Male | Welsh |
| Genie | Of noble descent | Unisex | Greek |
| George | Earth worker | Male | Greek |
| Georgie | Earth worker | Unisex | Greek |
| Gibson | Laughing | Male | English |
| Gidget | | Unisex | Hebrew |
| Gilbert | Bright oath | Male | Germanic |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Godiva | Gift from God | Unisex | English |
| Goober | Southern US term for peanut. Also chocolate covered peanuts | Unisex | English |