The Aue (), also known as the Bückeburger Aue (), is an approximately long, eastern tributary of the river Weser in the Schaumburg District of Lower Saxony, and in the Minden-Lübbecke District of North Rhine-Westphalia. It flows into the Weser near Petershagen.

See also List of rivers of Lower Saxony List of rivers of North Rhine-Westphalia

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