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Cognomen Paibun (ไพบูลย์ , Paibun ) , in all the world, is quite a rare family name. The last name Paibun is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. More frequently, Paibun is the forename as well as the last name.
Lim, Dokmai, Maphueak, Srinouy, Srichot, Paopuree, Khuannatham, Suksiripat, Panrattanakanok, Chaichamnan, and Potchanaporn