Ouyang Xun (Chinese: 歐陽詢; pinyin: Ōuyáng Xún; Wade–Giles: Ou-yang Hsün; 557–641), courtesy name Xinben (Chinese: 信本; pinyin: Xìn běn; Wade–Giles: Hsin-pên), was a Chinese calligrapher, politician, and writer of the early Tang dynasty. He was born in Hunan, Changsha, to a family of government officials; and died in modern Anhui province.