Family name بيارن (Bjarne 
, بيارن, Béarn 
) , worldwide, is a rare surname. The surname بيارن is habitual in Northern Europe, particularly Denmark, where it is quite a rare surname, Norway, where it is a rare surname, and Sweden. In absolute terms, the name is most common in Spain, Denmark, and Sweden. Much more prevalently, بيارن is the forename as well as the last name.