Family name 나은 (Naeun 
, 나은 , Na-Eun 
) , in all the world, is a very rare surname. The family name 나은 is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Philippines. In absolute terms, it is commonest in Indonesia, China, and Malaysia. Much more prevalently, 나은 is the forename as well as the last name.