Family name Pailun (Пайлун 
, Pailun 
) , around the world, is a very rare surname. The family name Pailun is characteristic of Armenia, where it is quite a rare surname, Georgia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Armenia, India, and Philippines. Also, Pailun is the forename as well as the last name.