Interregnum (disambiguation)

Interregnum could mean:

 Interregnum, a period between monarchs, between popes of the Roman Catholic Church, or between consuls of the Roman Republic
 Interregnum (solitaire), a solitaire card game
 Interregnum (documentary) a documentary with and about the drawings of George Grosz
Interregnum (fiction), the period between the first and the second Galactic Empires, in the fictitious future world of Isaac Asimov's Foundation Series