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Cognomen Upa (Upa , Упа , อุปะ ) , around the world, is a common last name. The cognomen Upa is habitual in Guam, where it is quite a common surname, India, where it is quite a rare surname, and Indonesia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in India, Indonesia, and Nigeria. Also, Upa is the forename as well as the last name.