| Name | Meaning | Gender | Origin |
|---|
| Geraldo | Spear ruler | Male | Germanic |
| German | Brother | Male | Latin |
| Geronimo | Sacred name | Unisex | Greek |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | English |
| Gideon | Hewer | Male | Hebrew |
| Goliath | Tall | Unisex | Hebrew |
| Gomez | | Unisex | Hebrew |
| Gonzo | Bizarre, unconventional, oddball. | Unisex | English |
| Griffin | Reddish | Male | Welsh |
| Gunnar | Battle | Male | Norse |
| Gunner | Battle | Male | Norse |
| Gunther | Battle | Male | German |
| Hades | World of the dead or hell. | Unisex | Greek |
| Hamlet | Foolish and dull | Male | Danish |
| Hannibal | The grace of the god Ba'al | Male | Phoenician |
| Harley | Hare clearing | Male | English |
| Harry | Home ruler | Male | Germanic |
| Hector | Holding fast | Male | Greek |
| Hendrix | | Unisex | Hebrew |
| Herbert | Bright army | Male | German |
| Hercules | Grandiose gift | Male | Greek |
| Heriberto | Bright army | Male | German |
| Hooch | | Unisex | Hebrew |
| Hunter | Hunter | Male | English |
| Hyde | Exquisite | Unisex | English |
| Hydra | Myth Name (A Dragon Killed By Hercules) | Unisex | English |
| Igor | Warrior archer | Male | Norse |
| Indiana | Land of Indians | Unisex | English |
| Indy | After Indiana Jones | Unisex | English |
| Infinity | Endless | Unisex | English |