Cognomen Koifman (Койфман 
, Koifman 
, Коифман ) , all around the world, is quite a rare surname. The family name Koifman is habitual in Israel, where it is quite a rare surname, Belarus, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in Israel, Russia, and Ukraine.
| VARIANT | COUNTRY |
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| Койфман | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Koifman | Brazil, Switzerland, United States, Argentina, Israel |
| Коифман | Russia |
| קויפמן | Israel |
| ilya isaakovich koifman chess player (1939-2012), US (b. 1939) |
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| josé luis koifman Chilean alpine skier, CL (b. 1954) |
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| roberto koifman Chilean alpine skier, CL (b. 1956) |
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| rosalina jorge koifman researcher (ORCID 0000-0003-4391-4542) |
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| sérgio koifman researcher (ORCID 0000-0003-1769-3985) |
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| rosalina jorge koifman researcher (ORCID 0000-0002-2746-7597) |
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| oskar i koifman researcher (ORCID 0000-0002-1764-0819) |
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| gabriela koifman researcher |
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| arie koifman researcher |
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| edward koifman researcher |
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