If or IF may refer to:

  • If (preposition), a preposition used in English conditional sentences
  • If (subordinator), a subordinator used for English subordinate interrogative clauses

Arts and entertainment

Film, drama, and television

  • If...., a 1968 film starring Malcolm McDowell
  • IF (film), a 2024 fantasy film about imaginary friends
  • If (play), a 1921 play by Lord Dunsany
  • If... (TV series), a series of BBC drama-documentaries
  • "If..." (Desperate Housewives), a 2010 episode of Desperate Housewives

Gaming

  • IF, a character in the Hyperdimension Neptunia game series
  • Interactive fiction, text-based computer games featuring interactive stories and environments
  • Shin Megami Tensei If..., a 1994 video game in the Shin Megami Tensei series
  • Kill la Kill the Game: IF, a 2019 video game based on the Kill la Kill anime

Literature

  • If (magazine), subtitled "Worlds of Science Fiction"
  • IF Magazine, Inside Film, Australian magazine, known for IF Awards
  • If... (comic), a political comic strip which appears in the UK newspaper The Guardian
  • "If—" (published 1910), a poem by Rudyard Kipling
  • The laconic phrase "If", a Spartan reply to a threat by Philip II

Music

  • If (band), 1970s British progressive jazz-rock band
  • If?, early 1990s British alternative rock band
  • In Flames, a melodic death metal band from Sweden, and a song from their album Lunar Strain
  • I-F, stage name of Ferenc E. van der Sluijs, a Dutch producer and DJ

Albums

  • If (Glass Hammer album), 2010 album by American band Glass Hammer
  • If (If album), 1970 album by the English band If
  • if (Mindless Self Indulgence album), a 2008 album recorded by Mindless Self Indulgence
  • (if), a 2009 album by Diary of Dreams
  • If..., a 2011 orchestral concept album by Bill Ryder-Jones
  • ‘’If…’’, a 1992 album by English band Scorpio Rising

Songs

  • "If..." (The Bluetones song), 1998
  • "If" (Bread song), 1971, covered by many artists, including a UK #1 by Telly Savalas in 1975
  • "If" (Davido song), 2017
  • "If" (French Kiss song), 2011
  • "If" (Glasvegas song), 2013
  • "If" (Janet Jackson song), 1993
  • "If" (Kana Nishino song), 2010
  • "If" (Pink Floyd song), 1970
  • "If (Mata Aetara)", by Day6, 2018
  • "If (They Made Me a King)", written by Tolchard Evans, Robert Hargreaves and Stanley J. Damerell, 1934; notably recorded by Perry Como, 1950
  • "If", by Jeri Lynne Fraser (as Jeri Lynn), 1959
  • "If", by Femme Fatale from Femme Fatale, 1988
  • "If", by The Cult from Ceremony, 1991
  • "If", by Joe Satriani from his 1995 self-titled album
  • "If...", by The Divine Comedy from A Short Album About Love, 1997
  • "If", by Bananarama from Exotica, 2001
  • "If", by Destiny's Child from Destiny Fulfilled, 2004
  • "If", by Red Hot Chili Peppers from Stadium Arcadium, 2006
  • "If", by Freemasons from Unmixed, 2007
  • "If", by Joni Mitchell from Shine, 2007
  • "If", by R5 from New Addictions, 2017

Business and organizations

  • If (insurance company), in the Nordic countries
  • IF Metall, a trade union in Sweden
  • Illuminati Films, an Indian motion picture production, based in Mumbai
  • Independent Fabrication, a bicycle manufacturer
  • Intelligent Finance, a bank
  • Interflug (1958–1991; IATA airline designator IF)
  • International Federation, any of several world sport governing bodies
  • International Forum Design (iF), a society best known for its iF design awards
  • Islamic Front (Syria), Sunni Islamist rebel group involved in the Syrian Civil War
  • Islas Airways (founded 2002; IATA airline designator IF)

Science and technology

Biology and medicine

  • I<sub>f</sub> current, a component current in the cardiac pacemaker potential
  • Immunofluorescence, a form of labeling substances with fluorescent antibodies
  • Initiation factor, an important component in protein synthesis
  • Intermediate filament, a component of the cytoskeleton
  • Interstitial fluid, the liquid outside of a cell
  • Intrinsic factor, produced by the stomach

Computing and mathematics

  • If-then-else, a conditional statement in computer programming
  • IF (x86 flag), the Interrupt Flag in the x86 processor architecture
  • Information filter, or inverse covariance filter, in Kalman filtering
  • Interface (computing), a shared boundary across which components of a computer system exchange information
  • Intermediate form, a type of data structure in computer programming

Other uses in science and technology

  • Information filtering system, which removes redundant or unwanted information at a semantic level
  • Intelligent falling, a satirical "alternative theory" of gravitation
  • Intermediate frequency, in radio transmission or reception
  • Internal focusing, a lens technology in which focusing occurs only with internal elements
  • Iodine monofluoride, an unstable interhalogen inorganic compound
  • International Fujita scale (IF-scale), a scale to rate a tornado's intensity

Other uses

  • If, a small island in the Bay of Marseille, France; location of the Château d'If
  • Impact factor, a measure reflecting the average number of citations to articles published in scholarly journals
  • Intellectual freedom, a right to access, explore, consider, and express ideas and information
  • Intermittent fasting, a diet having recurring periods of fasting
  • Internally Flawless, a grade of diamond clarity
  • Inside forward, a position in association football
  • Ilfov County (except Bucharest), on the vehicle registration plates of Romania

See also

  • If and only if, iff, logical statement indicating necessary and sufficient conditions
  • IFF (disambiguation)
  • IFS (disambiguation)