Last name Aiyin (爱银 
, Aiyin 
) , around the globe, is a rare surname. The last name Aiyin is habitual in China, where it is a very rare surname, Malaysia, and Spain, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in China, Malaysia, and India. More prevalently, Aiyin is the forename as well as the last name.