Cognomen Khnkoyan (Хнкоян 
, Khnkoyan 
) , in the entire world, is a rare last name. The surname Khnkoyan is characteristic of Armenia, where it is a rare surname, Belarus, and Russia. Also, Khnkoyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Хнкоян | Kazakhstan, Belarus, Armenia, Russia, Ukraine |
| Khnkoyan | Spain, Kazakhstan, Armenia, United States, Russia |
| georgy khnkoyan Soviet cameraman and film director, front-line camera operator (1918-1972), GE (b. 1918) |
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