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Cognomen Raijan (Raijan , Райжан ) , across the world, is a very rare family name. The cognomen Raijan is characteristic of Kyrgyzstan, where it is a very rare surname, Kazakhstan, and Malaysia, where it is an extremely rare surname. In absolute terms, it is commonest in India, Kyrgyzstan, and Kazakhstan. More prevalently, Raijan is the forename as well as the last name.