| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Gwen | GWEN | Welsh, English | ||
| Gwenda | GWEN-də (English) | Welsh, English | ||
| Gwendolen | GWEN-də-lin (English) | Welsh | ||
| Gwendoline | GWEN-də-lien (English), GWEN-də-leen (English) | Welsh, English (British), French | ||
| Gwendolyn | GWEN-də-lin (English) | Welsh, English | ||
| Gweneth | - | Welsh | ||
| Gwenfrewi | - | Welsh | ||
| Gwenhwyfar | - | Welsh Mythology, Arthurian Romance | ||
| Gwenith | - | Welsh | ||
| Gwenllian | - | Welsh | ||
| Gwenneth | - | Welsh (Rare) | ||
| Gwenyth | GWEN-ith (English) | Welsh | ||
| Gwil | - | Welsh | ||
| Gwilim | - | Welsh | ||
| Gwillym | - | Welsh |