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Across the world, Keyser (凯泽 , Keyser , Кейзер ) is quite a common male first name. The given name Keyser is habitual in the Democratic Republic of the Congo, where it is a rare male name, China, and Belgium. Not in comparison with a country's population, this name is the most popular in China, the Democratic Republic of the Congo, and France. Likewise, Keyser is the last name as well as the forename.
Keyser is also a name for the fictitious and mythical characters: Keyser Söze , the character in the 1995 film The Usual Suspects.