Surname Deinyan (Deinyan 
) , around the globe, is a very rare family name. The last name Deinyan is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Deinyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deinyan | United States, Brazil |
| hayk deinyan AM (b. 1959) |
|