Surname Avayan (Аваян 
, Avayan 
) , in the entire world, is a rare cognomen. The family name Avayan is characteristic of Armenia, where it is quite a rare surname, Austria, where it is a rare surname, and Romania. Not in comparison with a country's population, it is commonest in Armenia, Romania, and Russia. Likewise, Avayan is the forename as well as the last name.