Family name Агаиан (Agayan 
, Агаиан , Agaian 
) , in all the world, is a rare last name. The surname Агаиан is characteristic of Georgia, where it is quite a rare surname, Philippines, where it is a rare surname, and Armenia. Measured by absolute frequency, it most frequently occurs in Philippines, Russia, and Georgia. Very seldom, Агаиан is the forename as well as the last name.