Cognomen كيرين (Karen 
, Keren , Kerin ) , all over the world, is a widespread last name. The last name كيرين is habitual in Mongolia, where it is a widespread surname, Honduras, where it is a common surname, and Nicaragua (explore the name in all countries). Measured by absolute frequency, it is commonest in Mexico, Honduras, and Mongolia. More frequently, كيرين is the forename as well as the last name.