Rheinfelden

Rheinfelden is:

• the name of two towns on the banks of the Rhine:
  • Rheinfelden (Baden) in the Lörrach Rural District of Baden-Württemberg, Germany
  • Rheinfelden, Switzerland in the Canton of Aargau, Switzerland, also
• Rheinfelden (district), a district in Aargau Canton.

Other

• Rudolf of Rheinfelden (or Rudolf of Swabia) (1025–1080), Henry IV, Holy Roman Emperor
• Rheinsfelden, eine suburg in the district of Glattfelden, in the Canton of Zürich, Switzerland