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Cognomen 勞 (Law , Rau , 勞 ) , all over the world, is a widespread family name. The surname 勞 is habitual in Seychelles, where it is a prevalent surname, Hong Kong, where it is a widespread surname, and Cayman Islands, where it is a common surname (explore the name in all countries). In absolute terms, it most frequently occurs in Hong Kong, the United States, and Germany. Also, 勞 is the forename as well as the last name.