Family name Tarnowski (Tarnowski 
, Тарновский 
, Тарновски ) , across the world, is quite a common last name. The family name Tarnowski is habitual in Poland, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Belarus. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Russia. Likewise, Tarnowski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tarnowski | Argentina, United States, Poland, Germany, Brazil |
| Тарновский | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Тарновски | Russia |
| jan tarnowski Polish nobleman, PL (b. 1367) |
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jan amor iunior tarnowski PL (b. 1420) |
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jan feliks tarnowski Polish noble, PL (b. 1471) |
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| jan feliks tarnowski (b. 1417) |
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jan amor tarnowski Polish noble, PL (b. 1488) |
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stanisław tarnowski PL (b. 1514) |
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| jan tarnowski Polish nobleman, PL (b. 1479) |
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jan krzysztof tarnowski Polish noble, PL (b. 1537) |
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| jan spytek tarnowski (b. 1484) |
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jan tarnowski (1550–1605), PL (b. 1550) |
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| johann tarnowski (1550-1604) (b. 1550) |
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michał stanisław tarnowski PL (b. 1590) |
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| joachim tarnowski (b. 1571) |
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| aleksander gratus tarnowski (b. 1610) |
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| michal tarnowski Polish Roman Catholic bishop (b. 1670) |
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