Last name Aytayan (Айтаян 
, Aytayan 
) , all around the world, is a very rare cognomen. The surname Aytayan is characteristic of Russia, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. In absolute terms, it is the most numerous in the United States, Russia, and China. Also, Aytayan is the forename as well as the last name.