| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 | ||
| Ximena | - | Spanish | ||
| Ximeno | - | Medieval Spanish | ||
| Ximo | - | Catalan, Spanish | ||
| Xiomara | - | Spanish | ||
| XoÁN | - | Galician | ||
| Xoana | - | Galician | ||
| Xochilt | - | Spanish |