Family name Adoun (Adoun 
) , in the entire world, is a rare surname. The family name Adoun is habitual in Benin, where it is quite a rare surname, Algeria, where it is a rare surname, and Morocco, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Benin, Algeria, and Nigeria. Much less frequently, Adoun is the forename as well as the last name.