Cognomen Thabuengkan (Thabuengkan 
) , all around the world, is an extremely rare family name. The last name Thabuengkan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thabuengkan | Thailand |
Supakorn, Prakaidao, and Wongwichit