Cognomen Kwangkwang (Kwangkwang 
) , all over the world, is a very rare surname. The family name Kwangkwang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Kwangkwang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwangkwang | Nigeria, Thailand |