Family name Sebun (Sebun 
) , in the entire world, is quite a rare last name. The cognomen Sebun is characteristic of Japan, where it is a rare surname, Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Japan, India, and Indonesia. More prevalently, Sebun is the forename as well as the last name.