Family name Каллум (Callum 
, Cullum 
, Каллум 
) , all around the world, is quite a common last name. The family name Каллум is characteristic of Jamaica, where it is quite a common surname, Malta, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Jamaica. More frequently, Каллум is the forename as well as the last name.