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Surname Phachanaphun (Phachanaphun ) , throughout the world, is a very rare last name. The cognomen Phachanaphun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phachanaphun | Thailand |
Yupin, Kanokwan, Suthiphong, Natthaphon, and Ratchathani