Last name كالون (Kallon 
, Kahlon 
, Calonne 
) , in all the world, is a common surname. The surname كالون is characteristic of Sierra Leone, where it is quite a common surname, Israel, and Liberia, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Sierra Leone, Israel, and India. Much less frequently, كالون is the forename as well as the last name.