Conspiracy or conspirator may refer to:
Types of conspiracies
- Conspiracy (civil), an agreement between persons to deceive, mislead, or defraud others of their legal rights or to gain an unfair advantage
- Conspiracy (criminal), an agreement between persons to break the law in the future, in some cases having committed an act to further that agreement
- Conspiracy (political), an agreement between persons with the goal of gaining political power or meeting a political objective
Music
- Conspiracy (band), a progressive rock band founded by Billy Sherwood and Chris Squire
- Conspiracy (Junior M.A.F.I.A. album)
- Conspiracy (King Diamond album)
- Conspiracy (Michael Bormann album)
- "Conspiracy", a song by Paramore from All We Know Is Falling
Film and television
- Conspiracy (1930 film), a film by Christy Cabanne
- Conspiracy (1939 film), a film by Lew Landers
- Conspiracy Theory (1997 film), a political thriller starring Mel Gibson and Julia Roberts
- Conspiracy (2001 film), a dramatization of the Nazi 1942 Wannsee Conference concerning the "Final Solution"
- Conspiracy (2008 film), an action-drama starring Val Kilmer
- The Conspiracy (2012 film), a Canadian conspiracy thriller by Christopher MacBride
- Conspirators (film), a 2013 Hong Kong film by Oxide Pang
- The Conspiracy (1916 film), a silent film
- Conspirator (1949 film), a British film
- The Conspirator, a 2010 historical drama film by Robert Redford
- Conspiracy?, a 2004 TV series on the History Channel
- Conspiracies (TV series), a 2003 series on BBC and TechTV
- "Conspiracy" (Star Trek: The Next Generation), an episode of Star Trek: The Next Generation
- 24: Conspiracy, a spin-off series from the TV series 24, for viewing on mobile phones only
- "Conspiracy", an episode of the 1965 Doctor Who serial The Romans
Games
- Conspiracy (board game)
- Conspiracies (video game)
- KGB (video game) or Conspiracy
- Magic: The Gathering Conspiracy, a 2014 series of the Magic the Gathering collectible card game
- Conspirateurs, a French board game
Books and comics
- Conspiracies (novel)
- Conspiracy (comics), a team of super powered beings in the Marvel Comics universe
- Conspirator (novel), a 2009 novel set in C. J. Cherryh's Foreigner universe
- Conspiracy, a 1998 fantasy novel by J. Robert King, set in the Forgotten Realms
Other uses
- Conspiracy (demogroup)
- Conspiracy '87, the 45th World Science Fiction Convention, held in Brighton, England, in 1987
- Conspiracy Entertainment, a video game publisher