Surname อุทธัง (Uthang 
, อุทธัง , Utthang ) , across the world, is a very rare last name. The family name อุทธัง is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, อุทธัง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uthang | Myanmar, Thailand |
| อุทธัง, Utthang | Thailand |