| Name | Meaning | Gender | Origin |
|---|
| Giles | Shield | Male | Greek |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Glen | Valley | Male | Gaelic |
| Grady | Child of nobility | Male | Gaelic |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Ham | Home | Male | English |
| Hammy | | Unisex | Hebrew |
| Harvey | Battle worthy or carnage worthy | Male | English |
| Homer | Pledge or hostage | Male | Greek |
| Hoover | Owner of a measure of land | Unisex | German |
| Hungry | | Unisex | Hebrew |
| Hunter | Hunter | Male | English |
| Inky | | Unisex | Hebrew |
| Jack | God is gracious | Male | Hebrew |
| Jagger | Pedlar | Male | English |
| Jake | Supplanted | Male | Hebrew |
| Jamie | Supplanter | Unisex | Hebrew |
| Janis | God is gracious | Unisex | Hebrew |
| Jazz | The romantic music | Unisex | English |
| Jesse | Gift | Male | Hebrew |
| Jester | A fool at medieval courts | Unisex | English |
| Jett | Black gemstone | Male | English |
| Junior | Younger | Male | English |
| Kenny | Good looking | Male | Gaelic |
| Kimberley | Variable prefix + forest clearing | Unisex | English |
| Kipp | A pointed hill | Male | English |
| Kishi | Beach, seashore | Unisex | Japanese |
| Kit | Bearer of Christ | Unisex | Greek |
| Lady | Lady | Unisex | English |
| Lenny | Brave lion | Unisex | German |