| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| GUSZTÁV | - | Hungarian | ||
| GUTO | GI-taw | Welsh | ||
| GUTXI | - | Basque | ||
| GUUS | KHUYS | Dutch | ||
| GUY | GIE (English), GEE (French) | English, French | ||
| GVIDAS | - | Lithuanian | ||
| GWALCHMEI | - | Welsh Mythology | ||
| GWALLTER | - | Welsh | ||
| GWANDOYA | - | Eastern African, Ganda | ||
| GWAWR | - | Welsh | ||
| GWEN | GWEN | Welsh, English | ||
| GWENAËL | gwen-a-EL (French) | French, Breton | ||
| GWENAËLLE | - | French, Breton | ||
| GWENDA | GWEN-də (English) | Welsh, English | ||
| GWENDOLEN | GWEN-də-lin (English) | Welsh |