Cognomen Kassor (Kassor 
) , all around the world, is a very rare last name. The surname Kassor is characteristic of Argentina, where it is a very rare surname, France, and Germany. In absolute terms, it is commonest in the United States, Argentina, and Germany. Also, Kassor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kassor | Poland, Argentina, France, Germany, United States |