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Cognomen Pasteur (Pastor , Pasteur , باستور ) , worldwide, is a widespread surname. The family name Pasteur is habitual in Monaco, where it is a common surname, Jersey, where it is quite a common surname, and Spain (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Spain, Mexico, and Philippines. Also, Pasteur is the forename as well as the last name.