Cognomen Khatchadourian (Khatchadourian 
, Хачадурян 
) , in the entire world, is quite a rare surname. The family name Khatchadourian is habitual in Lebanon, where it is quite a common surname, Syria, where it is a rare surname, and France. Not in comparison with a country's population, it is the most numerous in Lebanon, France, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Khatchadourian | France, Lebanon, Syria, Canada, United States |
| Хачадурян | Bulgaria, Russia |
Хатчадоуриан, and Хачадурьян
| hrant khatchadourian (b. 1926) |
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| raffi khatchadourian American journalist, US (b. 1970) |
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| lori khatchadourian (b. 1975) |
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