Surname فيرين (Viren 
, فيرين 
, Virén 
) , globally, is a rare cognomen. The last name فيرين is characteristic of Finland, where it is quite a rare surname, Belgium, where it is a rare surname, and Sweden. Measured by absolute frequency, it is the most numerous in Finland, India, and the United States. More frequently, فيرين is the forename as well as the last name.