| Name | Meaning | Gender | Origin |
|---|
| Gazpacho | | Unisex | Hebrew |
| Gem | A mineral that has been cut and polished | Unisex | |
| Gemma | precious stone | Female | Italian |
| George | Farmer. In medieval legend St. George: (the knight who became patron saint of England) struggled with a fire-breathing dragon symbolizing the Devil.
| Male | Greek |
| Georgina | farmer | Female | English |
| Geronimo | Greek, sacred name | Male | Native |
| Gilbert | Bright lad. Gilberto: (Spanish) Bright lad.
| Male | |
| Gimli | after the dwarf in Lord of the Rings | Unisex | |
| Ginger | A spice | Female | English |
| Giselle | Pledge.
| Female | |
| Gizmo | A mechanical device or gadget. | Unisex | |
| Gobi | | Unisex | Hebrew |
| Goblin | | Male | Hebrew |
| Godfather | | Unisex | Hebrew |
| Golda | gold | Female | English |
| Goldie | The precious metal. Gilded
| Female | Anglicized |
| Gordo | | Unisex | Hebrew |
| Gotham | | Unisex | Hebrew |
| Grace | after Grace Kelly | Female | |
| Gracie | Grace
| Female | English |
| Gremlin | | Unisex | Hebrew |
| Greta | Female
| Female | |
| Greyson | son of the steward | Male | English |
| Grimalkin | | Unisex | Hebrew |
| Gris | Grey. | Unisex | |