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Cognomen Phenphichaya (Phenphichaya ) , in all the world, is an extremely rare surname. Much more prevalently, Phenphichaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phenphichaya | Thailand |
Boonpaung, Phongjan, Dechmanatat, Tavapradub, Charatvikraikul, Thanasiwiwat, Wannasiri, Boonpermrojkul, and Rattanarungruangtawe