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Last name Rojnirun (Rojnirun ) , in the entire world, is a very rare surname. The last name Rojnirun is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rojnirun | Thailand |
Siripat, Sumalee, Somporn, Nichapa, Sirichat, Kaittiphun, Pattanasri, and Hathaitorn