Zu is the Mandarin pinyin romanization of the Chinese surname written in Chinese character. It is romanized Tsu in Wade–Giles. It is listed 249th in the Song dynasty classic text Hundred Family Surnames. It is not among the 300 most common surnames in China.

Notable people Zu Ti (祖逖; 266–321), celebrated Eastern Jin general Zu Yue (祖約; died 330), Eastern Jin general, younger brother of Zu Ti Zu Chongzhi (429–500), Liu Song dynasty mathematician and astronomer Zu Gengzhi (450? – 520?), mathematician, son of Zu Chongzhi Zu Ting (6th century), scholar-official of the Northern Qi dynasty Zu Xiaosun (6th – 7th century), Sui and Tang dynasty musician Zu Yong (699–746?), Tang dynasty poet Zu Dashou (died 1656), Ming dynasty general who surrendered to the Qing Zu Zhiwang (祖之望; 1754–1813), Qing dynasty Governor of Hunan and Shandong provinces John B. Tsu (1924–2005), Chinese academic and lobbyist for Asians in the United States Jidi or Zu Yale (born 1983), cartoonist and illustrator

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