Junzhou or either Jun Prefecture (均州) was a zhou (prefecture) in imperial China, seated in modern Danjiangkou, Hubei, China. It existed (intermittently) between the years 585 and 1912.

The administrative region of Junzhou in the Tang dynasty is in modern Shiyan and Hubei. It probably includes parts of modern Shiyan, Danjiankou and Yun County.

• Shi Weile, ed. (2005). Zhongguo Lishi Diming Da Cidian (中国历史地名大词典) [Large Dictionary of Chinese Historical Place Names] (in Chinese). China Social Sciences Press. p. 1185. ISBN 7-5004-4929-1.