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Cognomen Aiyawan (Aiyawan , ไอยวรรณ ) , in the world, is a very rare family name. The last name Aiyawan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Aiyawan is the forename as well as the last name.
Klom, Panyakon, Rudeemas, Kitiphong, and Rattanaporn