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Cognomen Redl (Redl
, Rédl
, Редль) , throughout the world, is quite a rare last name. The last name Redl is habitual in Austria, where it is quite a common surname, Hungary, where it is quite a rare surname, and Czechia. Measured by absolute frequency, it is commonest in Austria, Germany, and Hungary. Much less frequently, Redl is the forename as well as the last name.