Cognomen Wianrob (Wianrob 
) , in the entire world, is a very rare surname. The family name Wianrob is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wianrob | Thailand |
Julalak, Benjawan, Rattapong, Naruebate, and Thawatchai