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Cognomen Prinyajarn (Prinyajarn ) , around the world, is a rare surname. The surname Prinyajarn is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prinyajarn | Thailand |
Murata, Seidtapong, Boripat, Phanida, Keeradee, Nongkran, Piboonchai, Srivarintr, and Wachiraporn