| Name | Meaning | Gender | Origin |
|---|
| Gabriel | God is my strength
| Male | Hebrew |
| Gadiel | God is my wealth
| Male | Hebrew |
| Gareth | gentle; enclosure; watchful | Male | Welsh |
| Garth | Garden.
| Male | Norse |
| Gawain | White Hawk | Male | Scottish |
| Gehenna | Hebrew for hell | Unisex | |
| Geoffrey | heavenly place | Male | Anglo- |
| Gerard | spear-brave | Male | English |
| Gilbert | Bright lad. Gilberto: (Spanish) Bright lad.
| Male | |
| Giles | Bearer of Shield | Male | Greek |
| Glacier | A huge mass of ice moving slowly. | Male | |
| Gossamer | | Unisex | Hebrew |
| Gotham | | Unisex | Hebrew |
| Granite | | Male | Hebrew |
| Gray | English, the son of the bailiff | Male | Color |
| Grendel | Legend Name | Unisex | Anglo-Saxon |
| Grey | Gray-Haired. | Male | English |
| Griffin | strong lord | Male | Welsh |
| Guy | guide; wood or wide | Male | |
| Hades | World of the dead or hell. | Male | |
| Hamlet | From the little home
| Male | Anglicized |
| Hecate | Mythical Witchcraft Goddess | Unisex | Greek |
| Hemlock | Type of pine tree. | Unisex | |
| Henry | ruler of the home | Male | |
| Hugh | bright in mind and spirit | Male | English |