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.
| karel kvaš CZ (b. 1925) |
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| josef kvaš CZ (b. 1945) |
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