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Surname Kusumo (Kusumo ) , in the world, is a common last name. The surname Kusumo is characteristic of South-eastern Asia, particularly Indonesia, where it is quite a common surname, Singapore, where it is quite a rare surname, and Malaysia, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Indonesia, Malaysia, and the United States. Very seldom, Kusumo is the forename as well as the last name.