Cognomen Rozycki (Rozycki 
) , all around the world, is quite a rare last name. The cognomen Rozycki is characteristic of Poland, where it is quite a rare surname, Albania, where it is a rare surname, and Israel. In absolute terms, the name is most common in Poland, the United States, and France. Much less frequently, Rozycki is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rozycki | United Kingdom, Poland, France, Germany, United States |
Ruzhytskyi, Rózycki, Różycki, Ружицкий, and Ружицький
| jan rozycki Roman Catholic bishop (b. 1603) |
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| wladyslaw rozycki Polish politician, PL (b. 1833) |
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| stanley f. rozycki politician (1908-2002), US (b. 1908) |
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| christopher rozycki PL (b. 1943) |
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| andrzej rozycki (b. 1950) |
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| martin rozycki researcher |
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| henry j rozycki researcher (ORCID 0000-0002-5734-749X) |
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| sarah k rozycki researcher |
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| eugene paul rozycki Ph.D. State University of New York at Buffalo 1963 |
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| alan [a.] rozycki Doctor in Lebanon, New Hampshire |
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| jason rozycki college basketball player (2000–2002) Oakland |
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