Cognomen Hryniewiecki (Hryniewiecki 
) , all over the world, is a rare surname. The last name Hryniewiecki is characteristic of Poland, where it is a rare surname, Sweden, and Argentina, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Sweden. Likewise, Hryniewiecki is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hryniewiecki | Argentina, Sweden, United Kingdom, United States, Poland |
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kajetan hryniewiecki (b. 1710) |
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bolesław leon hryniewiecki Polish botanist (1875-1963), PL (b. 1875) |
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stanisław hryniewiecki Polish officer, RU (b. 1896) |
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| leo hryniewiecki Russian military doctor, polar explorer, founder of the Anadyr (b. 1853) |
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jerzy hryniewiecki Polish officer, politician, architect and athletics competitor (1908-1989), PL (b. 1908) |
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witold hryniewiecki PL (b. 1921) |
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| stefan hryniewiecki (b. 1890) |
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| jerzy hryniewiecki (b. 1914) |
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| zdzisław hryniewiecki Polish sportsperson and ski jumper, PL (b. 1938) |
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| tomasz hryniewiecki Polish cardiologist, PL (b. 1964) |
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| franciszek hryniewiecki |
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| paweł hryniewiecki |
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