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Cognomen Saigan (Saigan ) , in the entire world, is a very rare last name. The family name Saigan is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, Indonesia, and Philippines, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Indonesia, India, and Malaysia. Likewise, Saigan is the forename as well as the last name.