Cognomen Petryk (Petryk 
, Петрик 
, Петрык ) , across the world, is a common last name. The cognomen Petryk is characteristic of Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, where it is quite a rare surname, and Russia. Very seldom, Petryk is the forename as well as the last name.
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| Petryk | Argentina, United States, Romania, Poland, Canada |
| Петрик | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Петрык | Russia |
| volodymyr petryk (b. 1921) |
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| warren petryk American politician, US (b. 1955) |
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| waldemar petryk (b. 1950) |
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| steve petryk curler, CA (b. 1963) |
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| dan petryk Canadian male curler, CA (b. 1965) |
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| nataliya petryk researcher |
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| małgorzata petryk researcher |
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| anna petryk researcher |
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| nataliia petryk researcher |
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| henryk petryk Polish chess player, PL |
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| a.a. petryk botanist |
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| fedir petryk chess player (b. 1987) |
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