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Family name Wanviroj (Wanviroj ) , throughout the world, is a very rare last name. The last name Wanviroj is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wanviroj | Thailand |
Buala, Pairoj, Pensri, Neranuch, Neeranut, Sasimaporn, Nitiphong, Neeranuch, and Phornpimol