Cognomen والن (Wallen 
, Whalen , والن) , across the world, is a common family name. The cognomen والن is characteristic of Guernsey, where it is quite a common surname, Jamaica, and Canada, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in the United States, Canada, and the United Kingdom. Very seldom, والن is the forename as well as the last name.