Family name Attha (Attha 
, อัทธา 
, อัฒ ) , in the world, is a rare last name. The last name Attha is habitual in Indonesia, where it is a very rare surname, Nigeria, and Thailand, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Indonesia, Nigeria, and India. More frequently, Attha is the forename as well as the last name.