Family name كالان (Kalan 
, Callan 
, Calan ) , in the world, is a common last name. The last name كالان is characteristic of Slovenia, where it is quite a common surname, Ireland, and Guatemala, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in India, the United States, and Turkey. Also, كالان is the forename as well as the last name.