| Name | Origin | Meaning | Gender |
| Xabat | Spanish | Savior | male |
| XABIER | basque | owns a new house | male |
| Xabiere | American | Chosen one. | male |
| Xalbador | Spanish | Savior | male |
| Xalvador | Spanish | Savior | male |
| Xanthe | Greek | "Yellow, bright or golden-haired. Blonde. Variation: Xanthia, Zanthe, Xanne, Xantha, Xanthippe. Pronounced" | male |
| XANTHUS | greek | myth name (a river god) | male |
| XANTI | basque | named for Saint James | male |
| XARLES | french | manly | male |
| Xarles | French | Manly | male |
| Xavian | Unknown | "Avian means bird like, I could not find Xavian" | male |
| Xavier | Arabic | Bright: splendid. See also Javier. | male |
| Xavier | Spanish | Owns a new house | male |
| XENOPHON | greek | strange voice | male |
| XENOS | greek | stranger | male |
| XERXES | greek | leaving | male |
| Xever | Spanish | Owns a new house | male |
| XICOHTENCATL | nahuatl | angry bumblebee | male |
| XIHUITL | nahuatl | unisexual name meaning "year" or "comet." | male |
| XIMEN | hebrew | God has heard | male |
| Ximen | Hebrew | God has heard | male |
| XIMON | basque | God is heard | male |
| Ximon | Hebrew | God has heard | male |
| Ximun | Hebrew | God has heard | male |
| Xiomar | German | Famous in battle. Variant of Geomar. | male |
| XIPIL | nahuatl | unisexual name meaning "noble of the fire." | male |
| XIPILLI | nahuatl | jeweled prince | male |
| XIUHCOATL | nahuatl | unisexual name meaning "fire serpent" or "weapon of destruction." | male |
| XOCHIPEPE | nahuatl | flower-gatherer | male |
| XOCHITL | nahuatl | flower | male |
| XOLA | Africa | Xhosa of S. Africa name meaning "stay in peace." | male |
| XUAN | vietnamese | spring | male |
| XUTHUS | greek | myth name (son of Helen) | male |
| XYLON | greek | from the forest | male |