Last name Martyniak (Martyniak 
, Мартыняк 
) , in the world, is quite a rare surname. The surname Martyniak is characteristic of Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and Sweden. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Russia. Also, Martyniak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Martyniak | Germany, France, Poland, United Kingdom, United States |
| Мартыняк | Kazakhstan, Russia, Ukraine |
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czesław martyniak Polish philosopher, canon law jurist, PL (b. 1906) |
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jan martyniak Polish archbishop, PL (b. 1939) |
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| aleksander martyniak UA (b. 1908) |
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andrzej martyniak Polish skydiver, PL |
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marcin martyniak Polish economist, manager, official, PL (b. 1990) |
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| zbigniew martyniak PL (b. 1936) |
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| philippe martyniak (b. 1955) |
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| danuta martyniak researcher, PL |
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