| Name | Meaning | Gender | Origin |
|---|
| Frankie | Diminutive Of Frank Free: A Free Man. Frankie Is Occasionally Used For Girls. | Male | English |
| Freedom | Freedom, Liberty | Unisex | English |
| Fritz | Peaceful ruler | Male | German |
| Genesis | Beginning | Male | Greek |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | English |
| Gideon | Hewer | Male | Hebrew |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Godzilla | | Unisex | Hebrew |
| Goliath | Tall | Unisex | Hebrew |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Harlequin | | Unisex | Hebrew |
| Harley | Hare clearing | Male | English |
| Havoc | | Unisex | Hebrew |
| Hawk | Hawk, a bird | Unisex | English |
| Hercules | Grandiose gift | Male | Greek |
| Hooch | | Unisex | Hebrew |
| Houdini | | Unisex | Hebrew |
| Hunter | Hunter | Male | English |
| Igloo | Dome shaped Eskimo house made of blocks of snow. | Unisex | English |
| Igor | Warrior archer | Male | Norse |
| Indigo | Blue-purple colour | Unisex | English |
| Ivan | Russian variation of John, means "God is gracious" | Male | Russian |
| Jabba | | Unisex | Hebrew |
| Jack | God is gracious | Male | Hebrew |
| Jagger | Pedlar | Male | English |
| Jake | Supplanted | Male | Hebrew |
| Jaws | Bones that form the mouth. A dangerous situation - "The Jaws of Death" | Unisex | English |
| Jesse | Gift | Male | Hebrew |
| Jet | Black gemstone | Unisex | English |
| Jett | Black gemstone | Male | English |