Surname Rostkowski (Rostkowski 
) , all over the world, is quite a rare last name. The surname Rostkowski is characteristic of Poland, where it is quite a rare surname, the United States, where it is a very rare surname, and Germany. Likewise, Rostkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rostkowski | United States, France, Poland, Germany, Canada |
| adam franciszek ksawery rostkowski UA (b. 1660) |
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| bernard rostkowski PL (b. 1690) |
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| jan nepomucen rostkowski (b. 1769) |
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| daniel rostkowski (b. 1800) |
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| teodor rostkowski (b. 1804) |
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| zygmunt rostkowski PL (b. 1871) |
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| ludwik rostkowski (b. 1894) |
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| ludwik rostkowski PL (b. 1918) |
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łukasz rostkowski Polish rapper and music producer, PL (b. 1981) |
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| jerzy rostkowski Polish stage actor, PL (b. 1938) |
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| tadeusz rostkowski PL (b. 1935) |
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| nicolas rostkowski (b. 1945) |
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| zbigniew rostkowski PL (b. 1958) |
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| piotr rostkowski Polish sportsperson and athletics competitor, PL (b. 1972) |
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| marek adam rostkowski (b. 1967) |
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