Cognomen Ramantan (Ramantan 
) , across the world, is a rare last name. The family name Ramantan is habitual in Greece, where it is quite a rare surname, Germany, 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 Greece, Germany, and China. Also, Ramantan is the forename as well as the last name.