X - biography

Xavier, Francis - (1506-1552), Spanish missionary

Xenakis, Iannis - (1922-2001), Greek composer

Xenocrates - (396 - 314 BC), philosopher

Xenophanes - philosopher

Xenophon - (431- c. 360 BC), Athenian knight, philosopher

Xerxes I - (486- 465 BCE), Persian king

Xerxes II - (424 - 423 BC ), Persian king

Ximenez, Fortun - (d. 1533), early Spanish colonizer in Mexico

Xingjian, Gao - Chinese author

Xiphilinus, John - (died 1078), patriarch of Constantinople

Xuan Zang - (602-644), Buddhist monk

Xuantong, Qian - (1887-1939), phonetician