Common knowledge (disambiguation)
Common knowledge is knowledge which is known to be true, and knowledge which most people know.
Common knowledge may also refer to:
- Common knowledge (logic), a logical concept
- Common Knowledge (game show), an American television game show hosted by Joey Fatone
- Common Knowledge?, a 2014 book by Dariusz Jemielniak
- "Common Knowledge", a Series C episode of the television series QI (2005)