Family name Klezin (Klezin 
) , around the globe, is a very rare last name. The last name Klezin is characteristic of Slovenia, where it is quite a rare surname, Croatia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Very seldom, Klezin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klezin | Slovenia, Germany, Croatia |