Quwo County (Chinese: 曲沃县; pinyin: Qǔwò Xiàn) is a county under the administration of Linfen city, in southern Shanxi Province, China.

[1] The county has spans an area of 437 square kilometers, and has a population of 230,000 as of 2013.

[1] From 745 to 677 BC Quwo was a state that broke off from the State of Jin.

[citation needed] Quwo County was first set up in 487 CE under the Northern Wei Empire during the Northern dynasties era.

[1][3] The county's government is located within Lechang.