Family name Suwannamangkorn (Suwannamangkorn 
) , in all the world, is a very rare surname. The last name Suwannamangkorn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suwannamangkorn | Thailand |
Wichian, Pawitchaya, and Phaithool