Last name Kochan (Kochan 
, 科昌 
, Кохан 
) , throughout the world, is a common cognomen. The surname Kochan is habitual in Belarus, where it is quite a common surname, Ukraine, and North Macedonia (explore the name in all countries). Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Ukraine, Russia, and Belarus. Much less frequently, Kochan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kochan | Myanmar, Poland, Slovakia, United States, Germany |
| 科昌 | China |
| Кохан | Kazakhstan, Russia, Belarus, Azerbaijan, Ukraine |
| Кочан | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| fritz kochan German farmer (1855-1913), DE (b. 1855) |
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günter kochan German classical composer, DE (b. 1930) |
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magdalena kochan Polish politician, PL (b. 1950) |
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| nick kochan British journalist (b. 1901) |
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| paul kochan DE (b. 1894) |
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jacek aleksander kochan Polish musician, PL (b. 1955) |
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| klara kochan Righteous Among the Nations, DE (b. 1910) |
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| bedrich kochan (b. 1908) |
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| franciszek kochan PL (b. 1910) |
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| lionel kochan British historian (1922-2005), GB (b. 1922) |
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| józef kochan Polish chess player, PL (b. 1923) |
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| františek kochan (b. 1913) |
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dieter kochan Canadian ice hockey player, CA (b. 1974) |
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| władysław kochan PL (b. 1917) |
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amanda kochan Calgary Stampede Queen for 2007 |
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