Cognomen Исажан (Исажан 
) , in the entire world, is a very rare family name. The surname Исажан is habitual in Kyrgyzstan, where it is a rare surname, and Russia, where it is an extremely rare surname. More frequently, Исажан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Исажан | Kyrgyzstan, Kazakhstan, Russia |