Cognomen Kochai (Kochai 
, Кошай 
) , around the world, is quite a rare surname. The last name Kochai is habitual in Afghanistan, where it is quite a rare surname, Ukraine, where it is a rare surname, and Saudi Arabia. Much less frequently, Kochai is the forename as well as the last name.
| abdul qayyum kochai Afghan diplomat (b. 1941) |
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| alauddin kochai researcher (ORCID 0000-0002-5775-102X) |
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| jamil jan kochai Afghan-American writer (b. 1992) |
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| farzana kochai (b. 1992) |
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