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Cognomen Amper (Amper , Hampir , Ampre ) , around the globe, is a common surname. The cognomen Amper is habitual in Philippines, where it is quite a common surname, Finland, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, it is commonest in Philippines, Saudi Arabia, and the United States. Very seldom, Amper is the forename as well as the last name.