Surname גראץ (Gratz 
, גראץ 
) , around the globe, is quite a common cognomen. The cognomen גראץ is habitual in Austria, where it is quite a common surname, Germany, where it is quite a rare surname, and Hungary. In absolute terms, it most frequently occurs in Germany, the United States, and Austria.
| VARIANT | COUNTRY |
|---|---|
| Gratz | Austria, Brazil, Germany, United States, Hungary |
| גראץ | Israel |