Look up interregnum in Wiktionary, the free dictionary.

An interregnum is a period of discontinuity in a government, organization, or social order.

Interregnum may also refer to:

• Interregnum (1649–1660), a period in the history of England, Ireland, and Scotland
  • Interregnum (England)
  • Interregnum (Ireland)
  • Interregnum (Scotland)
• Interregnum (Holy Roman Empire), periods in the history of the Holy Roman Emperor when there was no emperor
• Ottoman Interregnum, civil war in which the sons of Sultan Bayezid I fought for control of the empire.
• Interregnum (Transjordan) (1920–1921)
• Interregnum (History of the Maldives)
• Interregnum of World Chess Champions (1946–1948)
• Interregnum (solitaire), a card game
• George Grosz' Interregnum, a 1960 documentary short film