Cognomen Aichan (爱婵 
, Aichan 
, Аишан 
) , in the world, is a rare surname. The family name Aichan is habitual in Greece, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Israel, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in China, Greece, and Kazakhstan. More prevalently, Aichan is the forename as well as the last name.