Family name Alajan (Alajan 
, Алаян 
) , all over the world, is a rare cognomen. The last name Alajan is habitual in Syria, where it is a rare surname, Estonia, and Saudi Arabia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Syria, Philippines, and India. Likewise, Alajan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alajan | Syria, Saudi Arabia, Philippines, Estonia, India |
| Алаян | Ukraine, Russia, Armenia |