Cognomen Klasová (Klasová 
) , around the globe, is a rare family name. The surname Klasová is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname, and Czechia, where it is a rare surname.
| juliana klasová Czechoslovak poet, CZ (b. 1898) |
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| milena klasová CZ (b. 1944) |
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| ester klasová CZ (b. 1954) |
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| michaela klasová (b. 1968) |
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| nela klasová CZ (b. 1992) |
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