Quan Hóa district (Vietnamese: huyện Quan Hóa) is a district of Thanh Hóa province in the North Central Coast region of Vietnam.

[1] The district covers an area of 996 km2.

The district capital lies at Quan Hóa.

[1] Trung Sơn commune is the site of the Trung Sơn Hydropower Project.

This article about a location in Thanh Hóa Province, Vietnam is a stub.