Cognomen វ៉ារ៉ូ (វ៉ារ៉ូ 
) , throughout the world, is an extremely rare last name. The cognomen វ៉ារ៉ូ is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. More prevalently, វ៉ារ៉ូ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| វ៉ារ៉ូ | Cambodia |