Cognomen Gyunashyan (Гюнашян 
, Gyunashyan 
) , in all the world, is a rare last name. The last name Gyunashyan is characteristic of Armenia, where it is a rare surname, Russia, where it is a very rare surname, and Greece. Not in comparison with a country's population, it most frequently occurs in Russia, Armenia, and Ukraine. Also, Gyunashyan is the forename as well as the last name.