Surname Osęka (Osęka 
) , worldwide, is a rare cognomen. The family name Osęka is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| andrzej osęka Polish art historian, PL (b. 1932) |
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| janusz osęka PL (b. 1925) |
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| janusz osęka PL (b. 1925) |
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| piotr osęka Polish historian, PL (b. 1973) |
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