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Cognomen สุริยะกุล (Suriyakun , สุริยะกุล
, Sungareyakul
) , all around the world, is a rare last name. The surname สุริยะกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สุริยะกุล is the forename as well as the last name.