| Name | Meaning | Gender | Origin |
|---|
| Festus | Holiday | Unisex | Latin |
| Fidget | | Unisex | Hebrew |
| Fiona | Fair, white, beautiful | Female | Gaelic |
| Fiver | | Unisex | Hebrew |
| Flash | To move rapidly. | Unisex | English |
| Flavia | Golden | Female | Latin |
| Flip | Lover Of Horses | Unisex | English |
| Flippy | | Unisex | Hebrew |
| Florence | Blossoming | Female | Latin |
| Fluffy | Covered with fluff, Soft, light and airy. | Female | English |
| Flurry | Prince, King | Unisex | Irish |
| Footsie | | Unisex | Hebrew |
| Freckles | Dotted with small brownish spots. | Unisex | English |
| Freeway | | Unisex | Hebrew |
| Frisky | | Unisex | Hebrew |
| Frodo | Wise by experience | Unisex | Literary |
| Fudge | A soft, rich candy | Unisex | English |
| Fuzzbutt | | Unisex | Hebrew |
| Fuzzy | | Unisex | Hebrew |
| Gabriella | God is my might | Female | Hebrew |
| Gadget | | Unisex | Hebrew |
| Gem | Gemstone | Unisex | English |
| Gemini | Twin | Unisex | Latin |
| Gemma | Jewel | Female | Latin |
| Genevieve | Uncertain, perhaps woman of the people | Female | Germanic |
| Genie | Of noble descent | Unisex | Greek |
| Gertrude | Strength of the spear | Female | Germanic |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | English |
| Gia | Earth | Female | English |
| Gilligan | Lad | Unisex | Gaelic |