Rheinau (Rheinau)
- quarter of Mannheim, Baden-Württemberg, Germany
- Country:
- Coordinates: 49° 25' 51" N, 8° 31' 45" E
- GPS tracks (wikiloc): [Link]
- Area: 15.28 sq km
- Wikidata storage: Wikidata: Q2147550
- Wikipedia Commons Category: [Link]