Cognomen Ruszkowski (Ruszkowski 
) , across the world, is quite a rare surname. The cognomen Ruszkowski is characteristic of Poland, where it is quite a rare surname, Canada, where it is a rare surname, and the United States. Likewise, Ruszkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ruszkowski | Germany, United States, Poland, Canada, Brazil |
| andrzej ruszkowski (b. 1563) |
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ryszard ruszkowski Polish actor, PL (b. 1856) |
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wojciech ruszkowski actor (1897-1976), PL (b. 1897) |
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| jerzy ruszkowski Polish biologist, PL (b. 1887) |
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edward ruszkowski PL (b. 1927) |
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andrzej ruszkowski PL (b. 1936) |
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| jan ruszkowski PL (b. 1889) |
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| zdzisław ruszkowski Polish painter (1907-1991), PL (b. 1907) |
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| antoni ruszkowski PL (b. 1902) |
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| andrzej ruszkowski PL (b. 1910) |
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| hank ruszkowski major league baseball player (1925-2000), US (b. 1925) |
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| andrzej ruszkowski Polish entomologist, PL (b. 1928) |
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| robert ruszkowski Olympic sprint canoeist, PL (b. 1942) |
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| marek ruszkowski Polish linguist, PL (b. 1960) |
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| janusz ruszkowski Polish political scientist, PL (b. 1962) |
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