Cognomen Karsor (Karsor 
) , all around the world, is a very rare family name. The last name Karsor is characteristic of Thailand, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Very seldom, Karsor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karsor | Thailand, Canada, United States |