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Cognomen Klosowicz (Klosowicz
) , throughout the world, is a rare surname. The family name Klosowicz is characteristic of Poland, where it is a rare surname, Norway, where it is a very rare surname, and Israel. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and the United Kingdom. More frequently, Klosowicz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klosowicz | Norway, Poland, United States, United Kingdom, Germany |