Cognomen اديتيا (Aditya 
, اديتيا) , across the world, is a widespread last name. The surname اديتيا is habitual in Indonesia, where it is quite a common surname, Brunei, where it is quite a rare surname, and Sri Lanka. In absolute terms, this name is the most popular in Indonesia, India, and Bangladesh. More prevalently, اديتيا is the forename as well as the last name.