| Name | Meaning | Origin | Gender |
| XADRIAN | Of the Adriatic | American | E |
| XALVADORA | Savior | Spanish | F |
| XANDER | From ALEXANDER | Greek | M |
| XANDY | From ALEXANDER or ALEXANDRA | American | E |
| XANNON | Ancient God | American | E |
| XANTARA | Protector of the Earth | American | F |
| XANTHE | Blonde, Yellow | Greek | F |
| XANTHUS | Blonde, Yellow | Greek | M |
| XANTI | Name for St. James | Portuguese | M |
| XANTO | Blond Haired | Greek | M |
| XARIA | Gift of love (Zaria) | American | F |
| XARLES | Manly | French | M |
| XAVIER | New house | Latin | M |
| XAVIERA | Owner of a new house. | Spanish | F |
| XAVIERE | New House | French | F |
| XENA | Hospitable | Greek | F |
| XENIA | Hospitable | Greek | F |
| XENON | Stranger | Greek | M |
| XENOPHON | Strange Voice | Greek | E |
| XENOS | Guest | Greek | M |
| XERXES | King, Ruler | Persian | M |
| XEXILIA | Blind | American | F |
| XHOSA | South African Tribe | African | F |
| XIA | Glow of the Sunrise | Chinese | F |
| XIA HE | Summer Lotus | All Nationalities | F |
| XIANG | Fragrant | Chinese | F |
| XIAO CHEN | Early Morning | Chinese | E |
| XIAO HONG | Morning Rainbo | Chinese | E |
| XIN QIAN | Happy, Beautiful | Chinese | F |
| XINAVANE | Spread, Propagate | African | F |
| Star | Chinese | E | |
| XING XING | Twin stars | Chinese | E |
| XIOMARA | Ready for Battle | Spanish | F |
| XIU | Elegant, Beautiful | Chinese | F |
| XIU JUAN | Elegant, Graceful | Chinese | F |
| XI-WANG | Hope | Chinese | E |
| XOLA | Stay in Peace | African | E |
| XOLANI | Please Forgive | African | F |
| XUAN | Spring | Vietnamese | E |
| XUE | Snow | Chinese | F |
| XUE FANG | Fragrant Snow | Chinese | F |
| XUXA | Queen | Spanish | F |
| XYLIA | From the Forest | Greek | F |
| XYLON | Lives in the Forest | Greek | E |