Cognomen Каллин (Kallin 
, Cullin 
, Calino 
) , in all the world, is quite a rare last name. The surname Каллин is habitual in Northern Europe, particularly Sweden, where it is quite a rare surname, Estonia, and Denmark, where it is a rare surname. Measured by absolute frequency, it is commonest in Sweden, the United States, and Philippines. Much less frequently, Каллин is the forename as well as the last name.