Cognomen Bienias (Bienias 
) , across the world, is quite a rare last name. The cognomen Bienias is habitual in Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Canada. Measured by absolute frequency, this name is the most popular in Poland, Germany, and the United States. More prevalently, Bienias is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Bienias | Germany, United Kingdom, United States, Poland, Canada |
| jan bienias PL (b. 1847) |
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władysław bienias PL (b. 1913) |
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andrea bienias German athletics competitor, DE (b. 1959) |
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andrzej bienias Polish actor, PL (b. 1972) |
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| jan bienias PL (b. 1919) |
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| lidia bienias Polish actor (1931-2020), PL (b. 1931) |
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tomasz bienias PL |
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| krzysztof bienias Polish sportsperson, PL (b. 1980) |
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| julia bienias American biostatistician & academic, US |
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| katarzyna bienias researcher |
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| piotr bienias Polish cardiologist |
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| jerzy bienias Ph.D. Politechnika Łódzka 1984 |
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| marek bienias Ph.D. Politechnika Łódzka 2015 |
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| lydia franziska bienias |
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