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Cognomen Dolce (Dolly , Dolce , ドルチェ ) , globally, is a common last name. The cognomen Dolce is habitual in Trinidad and Tobago, where it is quite a common surname, Italy, where it is quite a rare surname, and Haiti. In absolute terms, it is commonest in Italy, the United States, and Egypt. More prevalently, Dolce is the forename as well as the last name.