Cognomen อีวาน (Iwan 
, Ewan 
, อีวาน 
) , all over the world, is a common surname. The last name อีวาน is characteristic of Indonesia, where it is quite a common surname, Brunei, and Jamaica (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Indonesia, Poland, and Malaysia. More prevalently, อีวาน is the forename as well as the last name.