Last name Челлин (Kjellin 
, Челлин 
) , in the entire world, is quite a rare cognomen. The surname Челлин is characteristic of Northern Europe, particularly Sweden, where it is quite a common surname, Norway, where it is quite a rare surname, and Denmark, where it is a rare surname. Not in comparison with a country's population, the name is most common in Sweden, Norway, and Brazil. Very seldom, Челлин is the forename as well as the last name.