Diet of Regensburg
Diet of Regensburg may refer any of the sessions of the Imperial Diet, Imperial States, or the prince-electors of the Holy Roman Empire which took place in the Imperial City of Regensburg (Ratisbon), now in Germany. These included:
- Diet of Regensburg (1541) (Colloquy of Ratisbon)
- Diet of Regensburg (1623)
- Diet of Regensburg (1630)
- Perpetual Diet of Regensburg (1663–1806)