| Name | Meaning | Gender | Origin |
|---|
| Fifi | He will enlarge | Female | Hebrew |
| Flora | Flower | Female | Latin |
| Fluff | | Unisex | Hebrew |
| Fluffy | Covered with fluff, Soft, light and airy. | Female | English |
| Flurry | Prince, King | Unisex | Irish |
| Forest | Forest | Male | English |
| Foxy | Resembling a fox. Slang for sexy | Unisex | English |
| Fran | Of France | Unisex | English |
| Frankie | Diminutive Of Frank Free: A Free Man. Frankie Is Occasionally Used For Girls. | Male | English |
| Freckles | Dotted with small brownish spots. | Unisex | English |
| Fred | Peaceful ruler | Male | Germanic |
| Freddie | Peaceful ruler | Male | German |
| Frisky | | Unisex | Hebrew |
| Fudge | A soft, rich candy | Unisex | English |
| Furball | | Unisex | Hebrew |
| Gem | Gemstone | Unisex | English |
| Gemini | Twin | Unisex | Latin |
| Gemma | Jewel | Female | Latin |
| Gene | Well born | Male | Greek |
| Genie | Of noble descent | Unisex | Greek |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | English |
| Gideon | Hewer | Male | Hebrew |
| Gigi | Earth worker | Female | Greek |
| Gilligan | Lad | Unisex | Gaelic |
| Ginger | Spring-like | Female | Latin |
| Girlie | Girl | Unisex | English |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Goldie | Having the color of gold | Female | English |
| Goober | Southern US term for peanut. Also chocolate covered peanuts | Unisex | English |
| Grace | Good will | Female | Latin |