Surname Грюнштейн (Грюнштейн 
) , throughout the world, is a very rare family name. The surname Грюнштейн is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Грюнштейн | Russia |
| грюнштейн, карл иванович RU (b. 1886) |
|