Around the globe, Margen (Margen 
, Marginem) is a rare gender-neutral given name. The given name Margen is habitual in Nicaragua, where it is a rare gender-neutral name, Costa Rica, where it is a rare primarily masculine, but very infrequently girly name, and Philippines, where it is a rare epicene name. Measured by absolute frequency, it most frequently occurs in Philippines, Ethiopia, and Nicaragua. Also, Margen is the last name as well as the forename.