Family name גרטש (Gretsch 
, גרטש 
) , around the world, is a rare cognomen. The last name גרטש is characteristic of Luxembourg, where it is quite a common surname, Slovakia, where it is a rare surname, and Germany. In absolute terms, it most frequently occurs in Germany, the United States, and Luxembourg. Very seldom, גרטש is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gretsch | Switzerland, Slovakia, Germany, United States, Luxembourg |
| גרטש | Israel |