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Family name Tongrueng (Tongrueng ) , around the globe, is a very rare cognomen. The last name Tongrueng is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tongrueng | Thailand |
Jintana, Kittikun, Lanjakorn, Jaruphat, Trittamon, Pornpimon, Theerachai, Sarochinee, and Patcharapon