Howison is a surname of Scottish origin which means "the son of Hugh." Notable people with the surname include: * Del Howison (born 1953), American horror author * George Holmes Howison (1834–1916), American philosopher * John Howison (c.1530–1618), Scottish minister * Ryan Howison (born 1966), American golfer * Alexander Howison Murray Jr. (1903-1997), mayor of Placerville, California