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Cognomen Abelardo (Abelardo , Abélard , אבלרדו ) , in all the world, is a common surname. The last name Abelardo is characteristic of Mexico, where it is quite a common surname, Spain, and Nicaragua. Not in comparison with a country's population, the name is most common in Mexico, Spain, and Philippines. Also, Abelardo is the forename as well as the last name.