Family name Wangkumklang (Wangkumklang 
) , throughout the world, is an extremely rare surname. The last name Wangkumklang is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wangkumklang | Thailand |
Atchara, Vannakorn, and Dabassawinee