Surname Ruoste (Ruoste 
) , all over the world, is a very rare family name. The cognomen Ruoste is characteristic of Finland, where it is a rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruoste | Finland, Germany |
| jarmo ruoste Finnish military officer, teacher and writer, FI (b. 1920) |
|
|
|
henri ruoste Finnish dressage rider, FI (b. 1982) |
|