| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Gawain | gə-WAYN (English), GOW-ən (English) | Welsh, Arthurian Romance | ||
| Gemini | JEM-i-nie (English) | Roman Mythology | ||
| George | JORJ (English) | English, Romanian | ||
| Georgeta | - | Romanian | ||
| Geraint | GE-rient (Welsh), ji-RAYNT (English) | Welsh, Welsh Mythology, Arthurian Romance | ||
| Gereon | GE-re-awn (German) | German, Late Roman | ||
| Germana | - | Italian, Ancient Roman | ||
| Germanus | - | Ancient Roman | ||
| Gerontius | - | Late Roman | ||
| Ghenadie | - | Romanian | ||
| Gheorghe | - | Romanian | ||
| Glaucia | - | Ancient Roman | ||
| Gnaeus | GNIE-uws (Ancient Roman), NIE-əs (English) | Ancient Roman | ||
| Gordianus | - | Ancient Roman | ||
| Gratiana | - | Ancient Roman |