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Family name Chapp (Chapp , Шапп ) , all over the world, is a rare cognomen. The last name Chapp is habitual in the United States, where it is a rare surname, Argentina, and Honduras, where it is a very rare surname. In absolute terms, the name is most common in the United States, India, and Russia. Very seldom, Chapp is the forename as well as the last name.