Bad Oeynhausen
Town
Coat of arms
Location of Bad Oeynhausen within Minden-Lübbecke district
Bad Oeynhausen Show map of Germany Bad Oeynhausen Show map of North Rhine-Westphalia
Coordinates: 52°12′N 08°48′E / 52.200°N 8.800°E / 52.200; 8.800
Country	Germany
State	North Rhine-Westphalia
Admin. region	Detmold
District	Minden-Lübbecke
Government
• Mayor (2020–25)	Lars Bökenkröger[1] (CDU)
Area
• Total	64.8 km2 (25.0 sq mi)
Highest elevation	269 m (883 ft)
Lowest elevation	45 m (148 ft)
Population  (2023-12-31)[2]
• Total	49,566
• Density	760/km2 (2,000/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	32545, 32547, 32549
Dialling codes	05731, 05734
Vehicle registration	MI
Website	www.badoeynhausen.de

Bad Oeynhausen is a spa town in Minden-Lübbecke in North Rhine-Westphalia, Germany. About 49,000 people live there.

It is on the left bank of the Weser river.

Bad Oeynhausen is twinned with:

• Fismes, France
• Inowrocław, Poland

• Media related to Bad Oeynhausen at Wikimedia Commons

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