Cognomen Orusalu (Orusalu 
) , across the world, is a very rare family name. The cognomen Orusalu is characteristic of Northern Europe, particularly Estonia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Orusalu | Estonia |
| ülle orusalu Estonian actress and make-up artist, EE (b. 1956) |
|