Cognomen Калзан (Калзан 
) , globally, is a very rare surname. The surname Калзан is habitual in Eastern Europe, particularly Russia, where it is a very rare surname. Very seldom, Калзан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Калзан | Kazakhstan, Russia |
| калзан, антон коваевич RU (b. 1930) |
|