| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Gunni | - | Ancient Scandinavian | ||
| GunnvÖR | - | Ancient Scandinavian | ||
| Guo | - | Chinese | ||
| Gus (1) | GUS | English, Scottish | ||
| Gusta | - | Dutch | ||
| Gustaaf | - | Dutch | ||
| Gustave | goo-STAHV | French | ||
| Guus | KHUYS | Dutch | ||
| Guy | GIE (English), GEE (French) | English, French | ||
| Gwandoya | - | Eastern African, Ganda | ||
| GwenaËL | gwen-a-EL (French) | French, Breton | ||
| GwenaËLle | - | French, Breton | ||
| Gwendoline | GWEN-də-lien (English), GWEN-də-leen (English) | Welsh, English (British), French | ||
| Gwenhwyfar | - | Welsh Mythology, Arthurian Romance | ||
| Gwrtheyrn | - | Ancient Celtic |