| Name | Meaning | Gender | Origin |
|---|
| Gallo | | Unisex | Hebrew |
| Galloway | stranger | Male | Scottish |
| Gandalf | | Male | Hebrew |
| Gare | Short
| Male | |
| Gatsby | | Male | Hebrew |
| Gavan | White hawk. From the medieval name Gawain. See also Gwayne.
| Male | |
| Gaven | White hawk
| Male | |
| Gaylord | brave strength | Male | |
| Gem | A mineral that has been cut and polished | Unisex | |
| 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 |
| Ghodsi | | Unisex | Hebrew |
| Giant | | Male | Hebrew |
| Giggles | | Unisex | Hebrew |
| Gilbert | Bright lad. Gilberto: (Spanish) Bright lad.
| Male | |
| Giles | Bearer of Shield | Male | Greek |
| Gilmore | Servant Of Mary | Male | Celtic |
| Ginny Weasley | | Unisex | |
| Giroux | | Unisex | Hebrew |
| Gizmo | A mechanical device or gadget. | Unisex | |
| Glacier | A huge mass of ice moving slowly. | Male | |
| Gladstone | | Male | Hebrew |
| Glasgow | | Male | Hebrew |
| Gnat | | Unisex | |
| Godzilla | | Male | Hebrew |
| Gray | English, the son of the bailiff | Male | Color |