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 | Turkey, Japan, China, Iran, India |
| Aysan | Turkey, Azerbaijan, Iran, India, Iraq |
| Айсан | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Ajsan | India, Malaysia |