Surname Waenngoen (Waenngoen 
) , around the world, is a very rare last name. The surname Waenngoen is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Waenngoen | Thailand |
| orapin waenngoen Thai footballer, TH (b. 1995) |
|