Mingxi County (simplified Chinese: 明溪县; traditional Chinese: 明溪縣; pinyin: Míngxī Xiàn) is a county of Sanming City, Fujian, People's Republic of China.

Area: 1,709 square kilometres (660 sq mi).

Population: 98,930 (2020)[1] Postal Code: 365200.

The county government is located in Xuefeng town.

Towns:[2] Townships: