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

[2] The district covers an area of 225 km2.

The district capital is in Bút Sơn.

[2] Hoang Hoa district has 37 affiliated commune-level administrative units, including Bút Sơn (district town) and 36 communes:

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