Surname อินวัง (Inwang 
, อินวัง , Inswang ) , across the world, is quite a rare cognomen. The last name อินวัง is habitual in Nigeria, where it is quite a rare surname, Thailand, where it is a rare surname, and the United Kingdom, where it is a very rare surname. In absolute terms, it is the most numerous in Nigeria, Thailand, and the United States. Also, อินวัง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Inwang | China, South Korea, Nigeria, Thailand, United States |
| อินวัง | Thailand |
| Inswang | United States, Thailand |