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Cognomen Thanaruengsuwan (Thanaruengsuwan ) , across the world, is a very rare surname. The cognomen Thanaruengsuwan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thanaruengsuwan | Thailand |
Piyawan, Piyaporn, Thanuchwet, and Kritsanut