Surname Uttang (Uttang 
, อุทกัง , อุทธังกาศ ) , across the world, is a rare family name. The surname Uttang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Indonesia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Much less frequently, Uttang is the forename as well as the last name.