Surname Opálka (Opalka 
, Opálka , Опалка 
) , throughout the world, is quite a rare family name. The surname Opálka is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname, Czechia, and Poland. In absolute terms, it most frequently occurs in Germany, the United States, and Poland. Likewise, Opálka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Opalka | Germany, Slovakia, Czechia, Poland, United States |
| Opálka | Czechia, Slovakia |
| Опалка | Russia, Ukraine |
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adolf opálka Czech warrior (1915-1942), CZ (b. 1915) |
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| otto opálka CZ (b. 1915) |
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| oldřich opálka (b. 1931) |
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| vlastimil opálka (b. 1934) |
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| alois opálka (b. 1940) |
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| miroslav opálka Czech member of Czech Parliament (2002–2017) and local politician, CZ (b. 1952) |
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| lukáš opálka researcher, CZ (b. 1987) |
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