Last name Rösiö (Rösiö 
) , throughout the world, is a very rare surname. The family name Rösiö is habitual in Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rösiö | Sweden |
|
per jönson rösiö SE (b. 1861) |
|
| hilding rösiö SE (b. 1902) |
|
|
| folke rösiö SE (b. 1908) |
|
|
| bengt rösiö Swedish diplomat and author, SE (b. 1927) |
|