Family name וסלין (Veselin 
, Weselin 
, וסלין 
) , in the world, is quite a rare cognomen. The surname וסלין is habitual in North Macedonia, where it is quite a common surname, Kosovo, where it is quite a rare surname, and Serbia. Not in comparison with a country's population, it is commonest in Romania, North Macedonia, and Serbia. More prevalently, וסלין is the forename as well as the last name.