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Family name Tanghe (Tang , タンゲ , Tanghe ) , all over the world, is a prevalent cognomen. The last name Tanghe is characteristic of Hong Kong, where it is a prevalent surname, Cayman Islands, where it is a widespread surname, and Macao (explore the name in all countries). Not in comparison with a country's population, it is commonest in China, Hong Kong, and Malaysia. Much less frequently, Tanghe is the forename as well as the last name.