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Family name 옥 (玉 , Ok , 옥 ) , in the world, is a widespread surname. The surname 옥 is habitual in Turkey, where it is quite a common surname, Myanmar, and Oman (explore the name in all countries). Measured by absolute frequency, the name is most common in China, Turkey, and Indonesia. Also, 옥 is the forename as well as the last name.