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Surname Keyer (Keyer , Кеер , Кейер ) , throughout the world, is a rare family name. The surname Keyer is habitual in Kazakhstan, where it is a rare surname, Netherlands, and Chile, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, Kazakhstan, and Russia. Much less frequently, Keyer is the forename as well as the last name.