| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Xabier | sha-bee-ER | Basque, Galician | ||
| Xanthe | - | Greek Mythology, Ancient Greek | ||
| Xanthippe | ksahn-teep-pe (Ancient Greek), zan-TIP-ee (English) | Ancient Greek | ||
| Xanthippos | - | Ancient Greek | ||
| Xanthos | - | Greek Mythology, Ancient Greek | ||
| Xaver | - | German | ||
| Xavi | - | Catalan | ||
| 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) | ||
| Xenia | - | Greek, Ancient Greek | ||
| Xeno | - | Ancient Greek | ||
| Xenocrates | zi-NAH-krə-teez (English) | Ancient Greek (Latinized) | ||
| Xenokrates | - | Ancient Greek | ||
| Xenon | - | Ancient Greek | ||
| Xenophon | - | Ancient Greek | ||
| XesÚS | - | Galician |