Surname آیلین (Aileen 
, آیلین 
) , in the entire world, is quite a rare cognomen. The last name آیلین is habitual in Latin America and the Caribbean, particularly Panama, where it is a rare surname, Honduras, and Venezuela. Measured by absolute frequency, it most frequently occurs in Indonesia, Mexico, and China. Much more prevalently, آیلین is the forename as well as the last name.