Surname Rostowski (Rostowski 
) , around the world, is a rare last name. The last name Rostowski is habitual in Poland, where it is a rare surname, Germany, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Poland, Germany, and the United States. Also, Rostowski is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rostowski | Germany, United Kingdom, South Africa, United States, Poland |
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jacek rostowski Polish politician (born 1951), GB (b. 1951) |
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| roman rostowski Polish jurist, translator and colonial administrator, GB (b. 1917) |
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| bolesław rostowski PL (b. 1921) |
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| dieter rostowski (b. 1940) |
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| marek a. rostowski |
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| jan karol rostowski |
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