| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Wynonna | wi-NON-ə | English (Rare) | ||
| Wynter | WIN-tər | English (Rare) | ||
| Wyot | - | Medieval English | ||
| Wystan | - | English (Rare) | ||
| Xander | KSAHN-dər (Dutch), ZAN-dər (English) | Dutch, English (Modern) | ||
| Xanthe | - | Greek Mythology, Ancient Greek | ||
| Xanthia | - | English (Rare) | ||
| Xanthippe | ksahn-teep-pe (Ancient Greek), zan-TIP-ee (English) | Ancient Greek | ||
| Xanthippos | - | Ancient Greek | ||
| Xanthos | - | Greek Mythology, Ancient Greek | ||
| Xavia | - | English (Rare) | ||
| Xavier | ZAY-vee-ər (English), ZAY-vyər (English), ig-ZAY-vee-ər (English), za-VYE (French), sha-VYER (Portuguese) | English, French, Portuguese, Catalan, Spanish (Archaic) | ||
| Xaviera | - | English (Rare) | ||
| Xavior | - | English (Rare) | ||
| Xenia | - | Greek, Ancient Greek |