Family name Стач (Stach 
, Стач 
) , throughout the world, is a common surname. The surname Стач is characteristic of Greenland, where it is quite a common surname, Czechia, where it is quite a rare surname, and Slovakia. Not in comparison with a country's population, it is commonest in Germany, Poland, and the United States. Likewise, Стач is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Stach | Czechia, Germany, Democratic Republic of the Congo, United States, Poland |
| Стач | Belarus, Russia, Kazakhstan, Ukraine |