Family name Rydbäck (Rydbäck 
) , across the world, is a very rare last name. The cognomen Rydbäck is characteristic of Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rydbäck | Sweden |
| christin rydbäck (1862-1932) (b. 1862) |
|