Surname Stepaniuk (Stepaniuk 
, Степанюк 
) , all around the world, is a common last name. The surname Stepaniuk is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, and Russia, where it is quite a rare surname. Much less frequently, Stepaniuk is the forename as well as the last name.
| jerzy stepaniuk new martyr of the Russian Orthodox Church, PL (b. 1881) |
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| bronisław stepaniuk Polish politician, PL (b. 1931) |
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| rościsław stepaniuk PL (b. 1966) |
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| peter stepaniuk researcher (ORCID 0000-0002-6450-2769) |
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| ruslan stepaniuk researcher (ORCID 0000-0002-8201-4013) |
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| tetiana stepaniuk Ph.D. 2016 |
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| maria stepaniuk researcher |
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| konstantin stepaniuk water polo player, RU (b. 1984) |
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| serhyi stepaniuk |
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