Cognomen Okkan (Okkan 
, Окан 
) , worldwide, is quite a rare last name. The family name Okkan is habitual in Turkey, where it is quite a rare surname, Myanmar, where it is a rare surname, and Ukraine, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Turkey, Myanmar, and Russia. Also, Okkan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Okkan | Turkey, Germany, China, Indonesia, Myanmar |
| Окан | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| osman okkan German journalist, DE (b. 1947) |
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| gaffar okkan Turkish police chief, TR (b. 1952) |
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