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Cognomen Hoong (Hoong , ホン , ห่วง) , all over the world, is a common surname. The surname Hoong is characteristic of Malaysia, where it is a common surname, Bermuda, where it is quite a common surname, and Singapore. Measured by absolute frequency, it most frequently occurs in Malaysia, China, and Singapore. Very seldom, Hoong is the forename as well as the last name.