Last name Айгунь (Aygun 
, Aigun 
, Айгунь 
) , around the globe, is quite a rare surname. The surname Айгунь 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, this name is the most popular in Western Asia, particularly Turkey, Azerbaijan, and Georgia. More frequently, Айгунь is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aygun | Azerbaijan, United Kingdom, Turkey, Georgia, France |
| Aigun | Japan, United States, Turkey, Georgia, India |
| Айгунь | Ukraine, Russia |
| Aigoun | Algeria, Nigeria, France |