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Family name Wanotayaroj (Wanotayaroj ) , around the globe, is a rare cognomen. The cognomen Wanotayaroj is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wanotayaroj | Thailand |
Sasipa, Prakrit, Navaporn, Nipattra, Vichien, Thanapat, Chaowalit, Chaowaroj, Poraprapha, and Pornprapha