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, Belarus, Russia, Armenia, Kyrgyzstan |
| Mailian | Russia, United States, Belgium, Armenia, China |
| Mailyan | Romania, Czechia, Russia, United States, Armenia |
| Mayilyan | Greece, France, Russia, United States, Armenia |