Surname Wanunam (Wanunam 
) , around the globe, is a very rare family name. The cognomen Wanunam is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wanunam | Thailand |
Somkiad, Wanphen, Natdanai, Nutdanai, and Natthaporn