Cognomen Issor (Issor 
) , across the world, is a very rare family name. The surname Issor is characteristic of Morocco, where it is a rare surname, Italy, where it is a very rare surname, and France, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Morocco, Italy, and Nigeria. Very seldom, Issor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Issor | Morocco, France, Italy, India, Nigeria |