| Name | Meaning | Gender | Origin |
|---|
| Garnet | Grain | Male | Latin |
| Gideon | Hewer | Male | Hebrew |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Goofy | | Unisex | Hebrew |
| Guadalupe | Valley of the wolves | Unisex | Spanish |
| Gucci | | Unisex | Hebrew |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Hades | World of the dead or hell. | Unisex | Greek |
| Hairy | | Unisex | Hebrew |
| Hakeem | Wise or insightful | Male | Arabic |
| Ham | Home | Male | English |
| Hamilton | Scarred or crooked hill | Male | English |
| Hamlet | Foolish and dull | Male | Danish |
| Hank | God is gracious | Male | Hebrew |
| Hannibal | The grace of the god Ba'al | Male | Phoenician |
| Happy | Showing satisfaction or joy | Unisex | English |
| Harley | Hare clearing | Male | English |
| Harry | Home ruler | Male | Germanic |
| Hershey | Brand of chocolate. | Unisex | English |
| Hunter | Hunter | Male | English |
| Iggy | Latin, fiery | Male | English |
| Igloo | Dome shaped Eskimo house made of blocks of snow. | Unisex | English |
| Ilya | My God is the Lord | Male | Hebrew |
| Indigo | Blue-purple colour | Unisex | English |
| Inky | | Unisex | Hebrew |
| Ireland | Land of Ériu | Unisex | English |
| Jack | God is gracious | Male | Hebrew |
| Jackson | Jack's son | Male | English |
| Jacob | Supplanter | Male | Hebrew |
| Jagger | Pedlar | Male | English |