List of people by name: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
- X, Malcolm, (1925-1965), US Black Nationalist leader
- Xanothopoulos, Callistus, patriarch of Constantinople
- Xanthopoulos, Isidore, patriarch of Constantinople
- 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.
- Ximenes, Ettore, (1855-1919), Italian painter
- Xing, Liu, musician
- Xingjian, Gao, Chinese author
- Xiphilinus, George, patriarch of Constantinople
- Xiphilinus, John, (died 1078), patriarch of Constantinople
- Xuan Zang, (602-644), Buddhist monk
- Xuantong, Qian, (1887-1939), phonetician
- Xun, Lu, (1881-1936), author of The True Story of Ah Q
- Xuxa, singer
- Xu Zhi Mo, melancholic poet of early 20th century China