Cognomen Rølvaag (Rølvaag 
) , around the globe, is an extremely rare last name. The surname Rølvaag is characteristic of Northern Europe, particularly Norway, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rølvaag | Norway |
|
ole edvart rølvaag Norwegian-American novelist, US (b. 1876) |
|
| paul gunnar rølvaag (b. 1915) |
|