Cognomen Khachatryan (Хачатрян 
, Хачатурян , Khachatryan 
) , throughout the world, is a common last name. The family name Khachatryan is characteristic of Armenia, where it is a common surname, Russia, where it is quite a common surname, and Belarus, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Russia, Armenia, and Ukraine.
| VARIANT | COUNTRY |
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| Хачатрян, Хачатурян | Kazakhstan, Russia, Belarus, Armenia, Ukraine |
| Khachatryan | Belgium, Russia, France, United States, Armenia |
| Хачатриан | Russia |
Khachatrian, Khachaturian, Khatchatourian, Кхачатрян, Хачатрйан, Хачатрыан, and Хачатрьян
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gabriel khachatryan (b. 1924) |
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| yevgenya khachatryan Armenian artist, copywriter (b. 1899) |
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| karo khachatryan TR (b. 1899) |
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| ruben khachatryan Armenian pedagogue, TR (b. 1912) |
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samvel khachatryan Armenian freedom fighter (1962-1991) (b. 1962) |
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| levon khachatryan Armenian painter, GE (b. 1912) |
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gagik khachatryan (b. 1955) |
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| spartak khachatryan Armenian engineer-inventor (b. 1925) |
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vahagn khachatryan chess player, AM (b. 1977) |
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ruzanna khachatryan (b. 1968) |
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| zhores khachatryan Armenian archaeologist (b. 1935) |
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andranik khachatryan AZ (b. 1979) |
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| levon khachatryan Armenian architect, UA (b. 1939) |
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gurgen khachatryan (b. 1983) |
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| rafik khachatryan (b. 1937) |
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