Family name Ën (Ën 
) , in the world, is a rare last name. The family name Ën is characteristic of Northern Africa, particularly Algeria, where it is quite a rare surname, Tunisia, where it is a rare surname, and Morocco. Not in comparison with a country's population, this name is the most popular in Northern Africa, particularly Algeria, Egypt, and Tunisia. Much less frequently, Ën is the forename as well as the last name.