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Cognomen Langer (Langer , Лангер , לנגר ) , around the world, is a common surname. The surname Langer is habitual in Germany, where it is quite a common surname, British Virgin Islands, and Austria (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Czechia. Very seldom, Langer is the forename as well as the last name.