Surname Меллен (Mellin 
, Меллен 
) , throughout the world, is quite a rare last name. The cognomen Меллен is habitual in Finland, where it is quite a rare surname, Sweden, and Mexico, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in the United States, Mexico, and Germany. Very seldom, Меллен is the forename as well as the last name.