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Family name Jaya (Jaya , जय , जया ) , all over the world, is a widespread surname. The family name Jaya is characteristic of South-eastern Asia, particularly Brunei, where it is quite a common surname, Indonesia, and Malaysia (explore the name in all countries). In absolute terms, it is commonest in Indonesia, India, and Malaysia. More prevalently, Jaya is the forename as well as the last name.