Cognomen Mëñ (Mëñ 
) , across the world, is a rare last name. The last name Mëñ is characteristic of Northern Africa, particularly Algeria, where it is quite a rare surname, Tunisia, where it is a rare surname, and Morocco. Measured by absolute frequency, it is commonest in Northern Africa, particularly Algeria, Tunisia, and Egypt. Much less frequently, Mëñ is the forename as well as the last name.