Family name Росбах (Rosbah 
, Росбах 
) , in all the world, is a very rare cognomen. The surname Росбах is habitual in Eastern Europe, particularly Russia, where it is a very rare surname. Very seldom, Росбах is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosbah | Malaysia |
| Росбах | Russia |