Family name דילן (Dylan 
, Dilan , Dillen 
) , in all the world, is a common surname. The cognomen דילן is characteristic of Greenland, where it is quite a common surname, Sri Lanka, and Belgium (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Sri Lanka, Indonesia, and Belgium. More frequently, דילן is the forename as well as the last name.