Huishui (Chinese: 惠水; pinyin: Huìshuǐ) is a county of south-central Guizhou province, China.

It is under the administration of the Qiannan Buyei and Miao Autonomous Prefecture.

61% of its 476,900 population are minorities, including Bouyei, Miao, Hui, Zhuang, Sui, Bai, and Maonan.

The gecko species Hemiphyllodactylus huishuiensis was first discovered in, and named after Huishui.

[4] A locally distributed species of Gesneriaceae plants was only found in Huishui.