Surname Cavlin (Cavlin 
) , all around the world, is a rare cognomen. The surname Cavlin is habitual in Serbia, where it is quite a rare surname, Turkey, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Serbia, Turkey, and the United States. Very seldom, Cavlin is the forename as well as the last name.