Zhen'an County (simplified Chinese: 镇安县; traditional Chinese: 鎮安縣; pinyin: Zhèn'ān Xiàn) is a county in the south of Shaanxi province, China.

It is under the administration and located in the southwest corner of the prefecture-level city of Shangluo, and has an area of 3,487 km2 (1,346 sq mi) and a population of 283,312 as of 2004.

[1] Zhen'an County administers 1 subdistrict, 12 towns, 2 ethnic towns, and 3 other township-level divisions.

[2] Zhen'an County's 12 towns are as follows:[2] Zhen'an County's 2 ethnic towns are Maoping Hui Ethnic Town (茅坪回族镇) and Xikou Hui Ethnic Town [zh] (西口回族镇).

[2] Additionally, Zhen'an County administers the following three divisions which have township-level status:[2]