Fuchuan Yao Autonomous County (simplified Chinese: 富川瑶族自治县; traditional Chinese: 富川瑤族自治縣; pinyin: Fùchuān Yáozú Zìzhìxiàn) is an autonomous county of northeastern Guangxi, China.

As of January 2016, Fuchuan Yao Autonomous County has nine towns and three townships under its jurisdiction.

Fuchuan Yao Autonomous County is located in the northeastern Guangxi, on the border with Hunan.

The dam forms the Guishi Reservoir (龟石水库; Gushi Shuiku; 'Turtle Stone Reservoir'), which is used to irrigate agricultural land not only in Fuchuan County itself, but also in Zhongshan County and Babu District to the south.

[6] The lusheng (mouth reed organ) is played by the Lowland Yao people (Pingdi Yao 平地瑶) of Dajing Village 大井村 and Humaling Village 虎马岭村 of Xinhua Township (新华乡), Fuchuan County.