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Cognomen Promsung (Promsung ) , around the world, is a very rare last name. The family name Promsung is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Promsung | Thailand |
Sanchai, Rawiporn, Kangpong, Noppadol, Kongkitti, Kriangsak, Teeramate, Krittaporn, Natthakarn, and Hathaikarn