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Last name Ruengurai (Ruengurai ) , in all the world, is a very rare family name. The last name Ruengurai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Ruengurai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruengurai | Thailand |
Tidech, Toomcha, Boonyawat, and Charoenchai