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Surname Ruangprapan (Ruangprapan ) , in the world, is a very rare family name. The cognomen Ruangprapan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruangprapan | Thailand |
Yupin, Chanram, Thamolwan, and Pattaravadee