Family name Kortchmar (Kortchmar 
, Корчмар 
) , in the world, is a rare cognomen. The surname Kortchmar is habitual in Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Ukraine, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kortchmar | United States, Brazil |
| Корчмар | Ukraine, Russia |
| danny kortchmar American guitarist, producer, and songwriter, US (b. 1946) |
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| estela kortchmar researcher |
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