| Name | Meaning | Gender | Origin |
|---|
| Fergus | Man of strength | Male | Gaelic |
| Filbert | Much brightness | Male | Germanic |
| Fluff | | Unisex | Hebrew |
| Flute | | Unisex | Hebrew |
| Ford | River crossing | Male | English |
| Fran | Of France | Unisex | English |
| Frost | White-haired, born in a cold spell | Unisex | English |
| Fynn | Fair | Male | Gaelic |
| Gaetan | From Gaëta | Male | Latin |
| Gannon | White, fair-haired | Male | Gaelic |
| Gaston | Uncertain, perhaps outsider | Male | French |
| Gian | God is gracious | Male | Hebrew |
| Gilligan | Lad | Unisex | Gaelic |
| Gonzo | Bizarre, unconventional, oddball. | Unisex | English |
| Gremlin | | Unisex | Hebrew |
| Gunnar | Battle | Male | Norse |
| Hades | World of the dead or hell. | Unisex | Greek |
| Hannibal | The grace of the god Ba'al | Male | Phoenician |
| Hawk | Hawk, a bird | Unisex | English |
| Helio | | Unisex | Hebrew |
| Helix | | Unisex | Hebrew |
| Hydra | Myth Name (A Dragon Killed By Hercules) | Unisex | English |
| Iago | Grasp by the heel | Male | Hebrew |
| Ilya | My God is the Lord | Male | Hebrew |
| Ima | Now | Unisex | Japanese |
| Inca | | Unisex | Hebrew |
| J | | Male | Hebrew |
| Jacy | Healer | Male | Greek |
| Jared | To descend, descendant | Male | Hebrew |
| Java | Brewed coffee | Unisex | English |