Cognomen Kallum (Kallum 
) , in the world, is a rare family name. The family name Kallum is characteristic of Norway, where it is quite a rare surname, Denmark, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Norway, India, and the United States. More frequently, Kallum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kallum | Australia, Norway, New Zealand, United Kingdom, India |