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Cognomen Pongkajorn (Pongkajorn ) , in the entire world, is a rare last name. The surname Pongkajorn is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Pongkajorn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pongkajorn | Thailand |
Saran, Somchai, Kompakorn, Pitchapa, Gunticha, Tannatorn, Tuangthong, and Rattanaporn