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Surname 歐陽 (Auyeung , 歐陽 ) , worldwide, is quite a rare last name. The last name 歐陽 is habitual in Eastern Asia, particularly Hong Kong, where it is quite a common surname, Macao, where it is quite a rare surname, and Taiwan. Measured by absolute frequency, the name is most common in China, Hong Kong, and the United States. Much less frequently, 歐陽 is the forename as well as the last name.