Howison is an unincorporated community located in Harrison County, Mississippi. Howison is approximately 1.9 miles (3.1 km) north of Saucier and 4 miles (6.4 km) south of McHenry and part of the Gulfport-Biloxi metropolitan area. Howison is located on the Kansas City Southern Railway. The Native Lumber Company was incorporated in Howison in 1899 and operated a sawmill there. A post office operated under the name Howison from 1897 to 1953. Howison was also once home to an express mail office.