| Name | Meaning | Gender | Origin |
| Frankie | Diminutive Of Frank Free: A Free Man. Frankie Is Occasionally Used For Girls. | Male | English |
| Fritz | Peaceful ruler | Male | German |
| Fuzzy | | Unisex | Hebrew |
| George | Earth worker | Male | Greek |
| Georgie | Earth worker | Unisex | Greek |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | English |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Goliath | Tall | Unisex | Hebrew |
| Gonzo | Bizarre, unconventional, oddball. | Unisex | English |
| Goober | Southern US term for peanut. Also chocolate covered peanuts | Unisex | English |
| Goose | | Unisex | Hebrew |
| Gretzky | | Unisex | Hebrew |
| Griffin | Reddish | Male | Welsh |
| Grommit | | Unisex | Hebrew |
| Grover | Tree grove | Male | English |
| Gunner | Battle | Male | Norse |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Guy | Guide | Male | French |
| Hamlet | Foolish and dull | Male | Danish |
| Hank | God is gracious | Male | Hebrew |
| Happy | Showing satisfaction or joy | Unisex | English |
| Harley | Hare clearing | Male | English |
| Harrison | Son of Harris | Male | English |
| Harry | Home ruler | Male | Germanic |
| Harvey | Battle worthy or carnage worthy | Male | English |
| Hawk | Hawk, a bird | Unisex | English |
| Hendrix | | Unisex | Hebrew |
| Henry | Home ruler | Male | Germanic |
| Hercules | Grandiose gift | Male | Greek |
| Hooch | | Unisex | Hebrew |