Cognomen Рауа (Raua 
, Рауа 
) , in the world, is quite a rare last name. The last name Рауа is habitual in Kazakhstan, where it is quite a common surname, Kenya, where it is a rare surname, and India, where it is a very rare surname. Much less frequently, Рауа is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raua | India, Brazil, United States, Kenya, Argentina |
| Рауа | Russia, Kazakhstan |