Cognomen קלוזנר (קלוזנר 
) , around the world, is a very rare last name. The cognomen קלוזנר is habitual in Western Asia, particularly Israel, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| קלוזנר | Israel |
|
יוסף קלוזנר Jewish historian, IL (b. 1874) |
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ישראל קלוזנר Israeli historian, IL (b. 1905) |
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| יהודה אריה קלוזנר Israeli librarian and bibliographer, IL (b. 1910) |
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