If or IF may refer to: *

If (preposition) ''If'' is an English prepositions, English preposition, as seen in ''If it's sunny tomorrow, ''(''then'')'' we'll have a picnic''. As a preposition, ''if'' normally takes a clausal complement (e.g., ''it's sunny tomorrow'' in ''if it's sunny tom ...

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

Arts and entertainment

Film and television

* '' If....'', a 1968 film starring Malcolm McDowell * ''IF'' (film), a 2024 fantasy film about imaginary friends * ''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 Interactive fiction (IF) is software simulating environments in which players use text Command (computing), commands to control Player character, characters and influence the environment. Works in this form can be understood as literary narrati ...

, 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 ''IF Magazine'', also known as ''Inside Film'', ''IF: Australia's Filmmaker Magazine'', and ''IF: The Magazine for Independent Filmmakers'', is an Australian print and online trade publication for screen-content professionals in Australia and N ...

'', ''Inside Film'', Australian magazine * ''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 A laconic phrase or laconism is a concision, concise or wikt:terse, terse statement, especially a wikt:blunt, blunt and wikt:elliptical, elliptical rejoinder. It is named after Laconia, the region of Greece including the city of Sparta, whose anci ...

"If", a Spartan reply to a threat by Philip II

Music

* If (band), 1970s British progressive jazz-rock band *

In Flames In Flames is a Swedish Heavy metal music, heavy metal band, formed by guitarist Jesper Strömblad in Gothenburg in 1990 out of the Swedish death metal, Swedish death metal scene. Their lineup has changed several times, with vocalist Anders Frid ...

, 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 William Edward Ryder-Jones (born 10 August 1983) is an English singer-songwriter, musician, music producer and composer from West Kirby, Merseyside. He co-founded the band The Coral, together with James Skelly, Lee Southall, Paul Duffy, and Ia ...

* ‘’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" (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) is a song recorded by South Korean band Day6. The song was released as the group's first Japanese CD single on March 14, 2018, by Warner Music Japan. Ahead of its release, the song was pre-released as a digital single on February 26, 2018. "If - ...

", by Day6, 2018 * "

If (They Made Me a King) "If (They Made Me a King)" is a popular song with music written by Tolchard Evans and the lyrics written by Robert Hargreaves and Stanley J. Damerell. The song was written in 1934, but the most popular versions were recorded in 1950–1951. Per ...

", written by Tolchard Evans, Robert Hargreaves and Stanley J. Damerell, 1934; notably recorded by Perry Como, 1950 * "If", by

Jeri Lynne Fraser Jeri Lynne Fraser (born June 6, 1946) is an American singer and actress. She is best known for her starring role in the 1962 film '' Two Tickets to Paris'', directed by Greg Garrison. Early life Born in Manchester, Connecticut, Fraser started ...

(as Jeri Lynn), 1959 * "If", by Femme Fatale from ''

Femme Fatale A ( , ; ), sometimes called a maneater, Mata Hari, or vamp, is a stock character of a mysterious, beautiful, and Seduction, seductive woman whose charms ensnare her lovers, often leading them into compromising, deadly traps. She is an archetype ...

'', 1988 * "If", by The Cult from ''

Ceremony A ceremony (, ) is a unified ritualistic event with a purpose, usually consisting of a number of artistic components, performed on a special occasion. The word may be of Etruscan language, Etruscan origin, via the Latin . Religious and civil ...

'', 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 ''Destiny Fulfilled'' is the fifth and final studio album by American girl group Destiny's Child Destiny's Child was an American girl group whose final lineup comprised Beyoncé, Beyoncé Knowles, Kelly Rowland, and Michelle Williams ( ...

'', 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

Davido David Adedeji Adeleke (born November 21, 1992), known professionally as Davido, is a Nigerian American, Nigerian-American singer, songwriter and record producer. Davido was born in Atlanta, U.S, and raised in Lagos, Nigeria. He made his mus ...

, 2017 * "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) The Islamic Front (, ''al-Jabhat al-Islāmiyyah'') was a Sunni Islamism, Islamist rebel alliance involved in the Syrian Civil War, which was formed by the union of seven separate groups on 22 November 2013. Its three largest components were Ahr ...

, 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 Immunofluorescence (IF) is a light microscopy-based technique that allows detection and localization of a wide variety of target biomolecules within a cell or tissue at a quantitative level. The technique utilizes the binding specificity of anti ...

, a form of labeling substances with fluorescent antibodies *

Initiation factor In molecular biology, initiation factors are proteins that bind to the small subunit of the ribosome during the initiation of Translation (genetics), translation, a part of protein biosynthesis. Initiation factors can interact with repressors to ...

, an important component in protein synthesis *

Intermediate filament Intermediate filaments (IFs) are cytoskeleton, cytoskeletal structural components found in the cells of vertebrates, and many invertebrates. Homologues of the IF protein have been noted in an invertebrate, the cephalochordate ''Branchiostoma' ...

, a component of the cytoskeleton *

Interstitial fluid In cell biology, extracellular fluid (ECF) denotes all body fluid outside the Cell (biology), cells of any multicellular organism. Body water, Total body water in healthy adults is about 50–60% (range 45 to 75%) of total body weight; women ...

, the liquid outside of a cell *

Intrinsic factor Intrinsic factor (IF), also known as cobalamin binding intrinsic factor, or gastric intrinsic factor (GIF), is a glycoprotein produced by the parietal cells (in humans) or chief cells (in rodents) of the stomach. It is necessary for the absorp ...

, produced by the stomach

Computing and mathematics

If-then-else In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on t ...

, a conditional statement in computer programming *

IF (x86 flag) The Interrupt flag (IF) is a flag bit in the CPU's FLAGS register, which determines whether or not the (CPU) will respond immediately to maskable hardware interrupts. If the flag is set to 1 maskable interrupts are enabled. If reset (set to 0) s ...

, the Interrupt Flag in the x86 processor architecture * Information filter, or inverse covariance filter, in Kalman filtering *

Interface (computing) In computing, an interface (American English) or interphase (British English, archaic) is a shared boundary across which two or more separate components of a computer system exchange information. The exchange can be between software, computer hard ...

, 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 communications and electronic engineering, an intermediate frequency (IF) is a frequency to which a carrier wave is shifted as an intermediate step in Transmission (telecommunications), transmission or reception. The intermediate frequency is ...

, in radio transmission or reception *

Internal focusing An internal focusing lens (abbreviated as IF) is a photographic lens design in which focus is adjusted by moving internal lens element(s). In contrast, traditional ''unit focusing'' lenses are focused by adjusting the distance between the entire s ...

, a lens technology in which focusing occurs only with internal elements *

Iodine monofluoride Iodine monofluoride is an interhalogen compound of iodine and fluorine with formula IF. It is a chocolate-brown solid that decomposes at 0 °C, disproportionation, disproportionating to elemental iodine and iodine pentafluoride: :5 IF → 2 ...

, 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 * If, a prominent example of a

Impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a type of journal ranking. Journals with higher impact factor values are considered more prestigious or important within their field. The Impact Factor of a journa ...

, a measure reflecting the average number of citations to articles published in scholarly journals *

Intellectual freedom Intellectual freedom encompasses the freedom to hold, receive and disseminate ideas without restriction. Viewed as an integral component of a democratic society, intellectual freedom protects an individual's right to access, explore, consider, and ...

, a right to access, explore, consider, and express ideas and information *

Intermittent fasting Intermittent fasting is any of various meal timing schedules that cycle between voluntary fasting (or reduced calorie intake) and non-fasting over a given period. Methods of intermittent fasting include alternate-day fasting, periodic fasting, ...

, a diet having recurring periods of fasting * Internally Flawless, a grade of

diamond clarity Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called ''inclusions'', and surface defects, called ''blemishes''. Clarity is one of the four Cs of diamond grad ...

Inside forward In the sport of association football, a forward (attacker or striker) is an Glossary of association football terms#O, outfield position which primarily plays further up the pitch than Midfielder, midfielders and Defender (association football), d ...

, a position in association football * Ilfov County (except Bucharest), on the

vehicle registration plates of Romania The most common format for vehicle registration plates in Romania consists of black letters on white background in the format CC 12 ABC, where CC is a two letter county code, 12 is a two digit group, and ABC is a three letter group. ...