Family name Anushan (Anushan 
) , across the world, is a rare surname. The cognomen Anushan is characteristic of Sri Lanka, where it is quite a rare surname, Norway, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Sri Lanka, Norway, and France. Likewise, Anushan is the forename as well as the last name.