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Cognomen Engkasuwansiri (Engkasuwansiri ) , in the world, is a very rare family name. The cognomen Engkasuwansiri is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Engkasuwansiri | Thailand |
Banjong, Ackradej, Patcharapon, Patcharanun, and Patcharaporn