Location of the seat in Yunnan
|Coordinates (Jianshui County government): Coordinates:|
|Country||People's Republic of China|
|• Total||3,940 km2 (1,520 sq mi)|
|• Density||120/km2 (320/sq mi)|
Jianshui County (Chinese: 建水县; pinyin: Jiànshuǐ Xiàn; Hani: Jeifsyu) is a city in Honghe prefecture, Yunnan province, China.  and remains an important transportation crossroad. Previously, it has been known as Lin'an (Chinese: 临安) or Huili (Chinese: 惠历); today, the name Lin'an Town is retained by Jianshui's county seat.
To the east lies Jijie, to the west Shiping, to the southeast Gejiu and Yuanyang, to the north Tonghai.
Jianshui County has 8 towns and 6 townships.