| Name | Meaning | Gender | Origin |
|---|
| 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 | |
| Grimalkin | | Unisex | Hebrew |
| Gris | Grey. | Unisex | |
| Gris | Grey. | Unisex | |
| Gris-Gris | | Unisex | |
| Grizabella | | Unisex | Hebrew |
| Grunt | To utter a deep, guttural sound. | Unisex | |
| Guinness | Brand of stout beer from Ireland. | Unisex | |
| Guster | | Unisex | Hebrew |
| Gypsy | Wanderer
| Female | English |
| Haley | hay field | Female | English |
| Halo | Circle of light surrounding the sun or moon. Luminous ring around the head of religious figures. | Unisex | |
| Hammy | | Unisex | Hebrew |
| Han | Gift From God | Unisex | German |
| Happy | Showing satisfaction or joy | Female | English |
| Harley | Old English for Army Meadow. From the hare meadow | Female | English |
| Harlo | | Female | |
| Harmony | A beautiful blending. Simultaneous sounding of two or more tones, especially chords. Also a pleasing combination of elements in a whole. | Female | Word |