Family name Куспан (Куспан 
) , around the globe, is a very rare surname. The last name Куспан is habitual in Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. More prevalently, Куспан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Куспан | Kazakhstan, Russia, Ukraine |