Last name Gruenbauer (Gruenbauer 
) , around the globe, is a rare family name. The surname Gruenbauer is habitual in Austria, where it is a rare surname, Germany, and Australia, where it is a very rare surname. In absolute terms, it is the most numerous in Germany, Austria, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Gruenbauer | Germany, Austria, Australia, United States, Canada |
| karl gruenbauer |
|