| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| WYNFOR | - | Welsh | ||
| Wynn | [win] | |||
| WYNN | WIN | Welsh | ||
| WYNNE (2) | WIN | English (Rare) | ||
| WYNNSTAN | - | Anglo-Saxon | ||
| WYOT | - | Medieval English | ||
| WYSTAN | - | English (Rare) | ||
| XABI | - | Basque | ||
| XABIER | sha-bee-ER | Basque, Galician | ||
| XANDE | - | Portuguese | ||
| XANDER | KSAHN-dər (Dutch), ZAN-dər (English) | Dutch, English (Modern) | ||
| XANDINHO | - | Portuguese | ||
| XANTHIPPOS | - | Ancient Greek | ||
| XANTHOS | - | Greek Mythology, Ancient Greek | ||
| XANTI | - | Basque |