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