Quan Hau Thị trấn Quán Hàu
Township
Quan Hau Location in Vietnam
Coordinates: 17°24′22″N 106°38′51″E / 17.40611°N 106.64750°E / 17.40611; 106.64750
Country	Vietnam
Province	Quảng Bình
District	Quảng Ninh
Time zone	UTC+7 (UTC+7)

Quán Hàu is a township and town in Quảng Ninh District, Quảng Bình Province, Bắc Trung Bộ, Vietnam. The township is the district seat and located on the National Route 1,^[1] about 7 km south of the provincial capital Đồng Hới city. The township is the commercial and service center serving surrounding rural areas. Prominent economic activities include: commerce, administrative service.^{[citation needed]}