Family name Klosinski (Klosinski 
) , around the world, is quite a rare cognomen. The family name Klosinski is characteristic of Poland, where it is quite a rare surname, Sweden, where it is a rare surname, and Brazil. Not in comparison with a country's population, it is commonest in Poland, the United States, and Brazil. Likewise, Klosinski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klosinski | Germany, United Kingdom, United States, Poland, Brazil |
Kłosinski, Kłosiński, Клосински, and Клосіньскі
| gunther klosinski German painter, DE (b. 1945) |
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| henryk klosinski Polish singer |
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| david klosinski German guitarist, PL (b. 1985) |
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| leonard f. klosinski |
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