Cognomen Aium (Aium 
, เอี้ยม) , in the entire world, is a very rare surname. The cognomen Aium is habitual in Estonia, where it is a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. In absolute terms, it most frequently occurs in India, Malaysia, and China. Also, Aium is the forename as well as the last name.