Cognomen Kocyan (Kocyan 
) , across the world, is a rare last name. The surname Kocyan is characteristic of Czechia, where it is a rare surname, Poland, and Germany, where it is a very rare surname. Likewise, Kocyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kocyan | Germany, Czechia, Australia, United States, Poland |
| antoni kocyan PL (b. 1836) |
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| andrzej kocyan Polish ski jumper (b. 1937) |
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| józef kocyan Polish sportsperson and ski jumper, PL (b. 1946) |
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| alexander kocyan botanist (b. 1965) |
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| wojciech kocyan Polish pianist |
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