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Family name Peltier (Peltier , ペルティエ) , all over the world, is a common cognomen. The cognomen Peltier is habitual in Dominica, where it is a common surname, France, where it is quite a common surname, and Luxembourg, where it is quite a rare surname. In absolute terms, the name is most common in France, the United States, and Canada. Much less frequently, Peltier is the forename as well as the last name.