Family name Kvaš (Кваш 
, Kvaš 
) , worldwide, is a very rare last name. The family name Kvaš is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine. Very seldom, Kvaš is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кваш | Russia, Ukraine |
| Kvaš | Czechia |
| karel kvaš CZ (b. 1925) |
|
|
| josef kvaš CZ (b. 1945) |
|