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Cognomen ガン (Gan , Gang , Ngan , among others...) , throughout the world, is a widespread family name. The last name ガン is habitual in Singapore, where it is a common surname, Cayman Islands, and Hong Kong (explore the name in all countries). Not in comparison with a country's population, the name is most common in China, Malaysia, and the United States. Very seldom, ガン is the forename as well as the last name.