Family name Songthongkam (Songthongkam 
) , in the entire world, is a very rare last name. The cognomen Songthongkam is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Songthongkam | Thailand |
Aumporn, Kanyanai, and Thanyaporn