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Cognomen Kosinski (Kosinski
, Косинский
, Косински) , globally, is a common surname. The cognomen Kosinski is habitual in Poland, where it is quite a common surname, Belarus, where it is quite a rare surname, and Germany, where it is a rare surname. Not in comparison with a country's population, the name is most common in Poland, the United States, and Russia. Also, Kosinski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kosinski | Brazil, Poland, France, United States, Germany |
| Косинский | Belarus, Kazakhstan, Russia, Ukraine |
| קוזינסקי | Israel |