Family name Schelen (Skele 
, Schelen 
, Scheelen 
) , all over the world, is quite a rare last name. The surname Schelen is characteristic of Latvia, where it is quite a common surname, Belgium, where it is quite a rare surname, and Serbia. In absolute terms, it most frequently occurs in South Africa, Belgium, and Latvia. Much less frequently, Schelen is the forename as well as the last name.