| Gaea | | - | Greek Mythology (Latinized) | |
| Gaia | | GAY-ə (English), GIE-ə (English), GAH-yah (Italian) | Greek Mythology, Italian | |
| Gaiana | | - | Ancient Greek (Latinized) | |
| Gaiane | | - | Ancient Greek | |
| Gaios | | - | Ancient Greek, Biblical Greek | |
| Galene | | - | Ancient Greek | |
| Galenos | | - | Ancient Greek | |
| Ganymede | | - | Greek Mythology (Anglicized) | |
| Ganymedes | | - | Greek Mythology | |
| Gavriil | | gah-vree-EEL (Russian) | Russian, Greek | |
| Gedeon | | - | Biblical Latin, Biblical Greek | |
| Gennadios | | - | Ancient Greek | |
| Gennadius | | - | Ancient Greek (Latinized) | |
| Georgia | | JOR-jə (English) | English, Greek | |
| Georgios | | - | Greek, Ancient Greek | |