Surname Айсан (Aisan 
, Aysan 
, Айсан 
) , all over the world, is quite a common cognomen. The surname Айсан is habitual in Turkey, where it is quite a rare surname, Georgia, where it is a rare surname, and Switzerland. In absolute terms, it most frequently occurs in Turkey, China, and India. Also, Айсан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aisan | Iran, Japan, China, Turkey, India |
| Aysan | Azerbaijan, Iran, Turkey, Iraq, India |
| Айсан | Kyrgyzstan, Russia, Ukraine, Kazakhstan |
| Ajsan | Malaysia, India |