Last name Piorkowski (Piorkowski 
) , across the world, is quite a rare cognomen. The family name Piorkowski is habitual in Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and the United States. In absolute terms, it most frequently occurs in Poland, the United States, and Germany. Much less frequently, Piorkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Piorkowski | United Kingdom, United States, Germany, Poland, France |
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alexander piorkowski German Nazi concentration camp commandant, DE (b. 1904) |
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| clara piorkowski holocaust victim, b. 1865-05-14, DE (b. 1865) |
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| max piorkowski PL (b. 1859) |
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| max piorkowski (b. 1859) |
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| fanni piorkowski holocaust victim, b. 1873-06-25, CZ (b. 1873) |
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| curt piorkowski German non-fiction writer, psychologist and writer (1888-1939), DE (b. 1888) |
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éric piorkowski Rugby union player (b. 1987) |
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| joe piorkowski college basketball player (1951–1952) Penn State |
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| david piorkowski Ph.D. Oregon State University 2016 |
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| dakota piorkowski researcher |
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| daniel piorkowski Australian soccer player, AU (b. 1984) |
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| christopher piorkowski |
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