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Surname Ouyang (欧阳 , ナナ , Ouyang ) , in the world, is a widespread last name. The last name Ouyang is characteristic of British Virgin Islands, where it is quite a common surname, China, and Japan (explore the name in all countries). In absolute terms, it is commonest in China, Japan, and the United States. Much less frequently, Ouyang is the forename as well as the last name.