Surname Ruusmaa (Ruusmaa 
) , across the world, is a rare last name. The family name Ruusmaa is habitual in Northern Europe, particularly Estonia, where it is quite a common surname, and Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruusmaa | Finland, Estonia |
|
janika ruusmaa Estonian biologist, EE (b. 1968) |
|
| arthur ruusmaa Estonian historian (b. 1956) |
|