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Cognomen Aper (Aper , Апер , アペル) , in all the world, is quite a rare last name. The last name Aper is characteristic of Belgium, where it is quite a rare surname, Armenia, where it is a rare surname, and Nigeria. Not in comparison with a country's population, the name is most common in Nigeria, the United States, and Belgium. Also, Aper is the forename as well as the last name.