Cognomen Kordan (科丹 
, Kordan 
, Кардан 
) , throughout the world, is a rare family name. The surname Kordan is habitual in Slovenia, where it is a rare surname, Bulgaria, and Poland. Not in comparison with a country's population, this name is the most popular in China, the United States, and Poland. More frequently, Kordan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 科丹 | China |
| Kordan | Turkey, Canada, United Kingdom, United States, Poland |
| Кардан | Bulgaria, Russia, Ukraine |
| bohdan s. kordan (b. 1955) |
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| władysław kordan PL (b. 1960) |
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| sabine kordan AT (b. 1969) |
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| władysław kordan researcher |
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| bożena kordan researcher |
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| yakup kordan researcher |
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| gary kordan |
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