Family name Айгюн (Айгюн 
, Aigiun 
, Aigyun 
) , all over the world, is a rare surname. The last name Айгюн is characteristic of Georgia, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and North Macedonia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Georgia, Azerbaijan, and Russia. More prevalently, Айгюн is the forename as well as the last name.