If

Look up if in Wiktionary, the free dictionary.

If is a conjunction used in English conditional sentences.

If or IF may also refer to:

Arts and entertainment

Film and television

• if.... (1968), a Lindsay Anderson film starring Malcolm McDowell
• If... (TV series), a series of BBC drama-documentaries
• If... (Desperate Housewives), a 2010 episode of Desperate Housewives

Gaming

• IF, a fictional 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

Literature

• If (magazine), subtitled "Worlds of Science Fiction"
• If... (comic), a political comic strip which appears in the UK newspaper The Guardian
• "If—" (published 1910), a poem by Rudyard Kipling

Music

Performers

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

Albums

• If (Glass Hammer album)
• If (If album)
• if (Mindless Self Indulgence album), a 2008 album recorded by Mindless Self Indulgence
• If..., a 2011 orchestral concept album by Bill Ryder-Jones

Songs

• "If", a song by Bananarama, released in 2001
• "If..." (The Bluetones song), released in 1998
• "If" (Bread song), originally released in 1971 and a number one UK single by Telly Savalas in 1975
• "If", a song by The Cult from the album Ceremony
• "If...", released in 1997 by The Divine Comedy from the album A Short Album About Love
• "If" (Freemasons song), released in 2009
• "If" (French Kiss song), released in 2011
• "If", a 2013 song by Glasvegas
• "If" (Janet Jackson song), released in 1993
• "If", a Joni Mitchell song on her 2007 album Shine
• "If" (Kana Nishino song), released in 2010
• "If" (Pink Floyd song), released in 1970
• "If" (Red Hot Chili Peppers song), released in 2006
• "If (They Made Me a King)", a 1951 hit song by Perry Como
• "If", a song by Femme Fatale (band) on their self-titled 1988 debut album

Business and organizations

• If (insurance company), in the Nordic countries
• IF Metall, a trade union in Sweden
• IF? Records, a Tokyo-based electronic music label
• 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_f 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

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
• Intermittent fasting, a diet having recurring periods of fasting
• Internally Flawless, a grade of diamond clarity

See also

• If and only if, iff, logical statement indicating necessary and sufficient conditions
• IFF (disambiguation)
• IFS (disambiguation)
• All pages beginning with "If"