Surname Dajjan (Dajjan 
, Дайан 
) , around the world, is a very rare last name. The last name Dajjan is characteristic of Armenia, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Also, Dajjan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dajjan | India, United States |
| Дайан | Kyrgyzstan, Armenia, Russia, Ukraine |