Last name Аигун (Aygun 
, Aigun 
, Аигун 
) , throughout the world, is quite a rare cognomen. The surname Аигун is characteristic of Guernsey, where it is quite a common surname, Georgia, and Azerbaijan, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Western Asia, particularly Turkey, Azerbaijan, and Georgia. More prevalently, Аигун is the forename as well as the last name.