Family name 艾丹 (Aidan 
, Aydan 
, 艾丹 
) , around the world, is a common last name. The cognomen 艾丹 is characteristic of Kuwait, where it is quite a rare surname, Bulgaria, and Tanzania. In absolute terms, it is the most numerous in Tanzania, Turkey, and Indonesia. More prevalently, 艾丹 is the forename as well as the last name.