Family name Маилян (Маилян 
, Mailian 
, Mailyan 
, among others...) , in all the world, is quite a rare last name. The last name Маилян is characteristic of Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Belarus. In absolute terms, it is commonest in Russia, Armenia, and the United States. Likewise, Маилян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Маилян | Kazakhstan, Kyrgyzstan, Belarus, Armenia, Russia |
| Mailian | China, United States, Belgium, Armenia, Russia |
| Mailyan | United States, Armenia, Czechia, Russia, Romania |
| Mayilyan | Greece, France, United States, Armenia, Russia |