Source

Source may refer to:

Research

 * Historical document
 * Historical source
 * Source (intelligence) or sub source, typically a confidential provider of non open-source intelligence
 * Source (journalism), a person, publication, publishing institute or other record or document that gives information
 * Source document, a document in which data collected for a clinical trial is first recorded
 * Source text, in research (especially in the humanities), a source of information referred to by citation
 * Primary source, a first-hand written evidence of history made at the time of the event by someone who was present
 * Secondary source, a written account of history based upon the evidence from primary sources
 * Tertiary source, a compilation based upon primary and secondary sources
 * Sources (website), a directory of expert contacts and media spokespersons
 * Open source, a philosophy of dissemination of intellectual products

Law

 * Sources of international law, the materials and processes out of which the rules and principles regulating the international community are developed
 * Sources of law, the materials and processes out of which law is developed

Mathematics and physics

 * Source of a morphism
 * Source, a point where the divergence of a vector field is positive
 * Source of a representation, in finite group theory
 * Source, a terminal in a field-effect transistor
 * Current source, an electrical or electronic device that delivers or absorbs electric current
 * Energy sources, substances or processes with high concentrations of energy
 * Ion source, a device that creates atomic and molecular ions
 * Light source, an object emitting light
 * Point source, a single identifiable localised source of something
 * Radioactive source, a known quantity of a radionuclide which emits ionizing radiation
 * Sound source, an object emitting sound
 * Voltage source, any device or system that produces an electromotive force between its terminals

Computing and technology

 * Source (command), a UNIX command to execute commands from a file
 * Communication source, objects which encode message data and transmit the information
 * Source code, a file containing code for software written in a programming language
 * Source theory, any process that generates successive messages in information theory
 * Source (programming language), a family of sublanguages of JavaScript to support Structure and Interpretation of Computer Programs, JavaScript Adaptation
 * The Source (online service), online service from 1978–1989.

Earth and life sciences

 * Inflow (hydrology), the source of the water in a lake
 * Source (hydrology), the original point from which a river or stream flows
 * Source rocks, rocks that have generated, or are capable of generating hydrocarbons
 * Source tissue, plant tissue serving as a source of nutrients; for example see Somatic embryogenesis

Fictional entities

 * Source (comics), a sentient entity who provides advice to the New Gods in the DC Multiverse
 * The Source (Charmed), a fictional character on the WB television series Charmed
 * The Source, a character in the 1978 US television sitcom Quark

Films

 * The Source (1918 film), 1918 American drama directed by George Melford
 * The Source (1999 film), a 1999 documentary film about the Beat generation
 * The Source (2002 film), a 2002 science fiction film, also known as The Secret Craft in the UK and The Surge for its American DVD release
 * The Source (2011 film), a 2011 French film
 * Highlander: The Source, the fifth film in the Highlander franchise

Games

 * Source (game engine), a game engine developed by Valve
 * Source 2, the successor to Source
 * Counter-Strike: Source, a 2004 complete remake of Counter-Strike using the Source game engine
 * Day of Defeat: Source, a 2005 complete remake of Day of Defeat using the Source game engine

Literature

 * The Source (novel), a 1965 novel by James A. Michener

Music

 * The Source (musician), the production identity of UK electronic music record producer John Truelove
 * The Source (band), a Norwegian jazz band
 * Subsource (band), a British electronic music group
 * The Source (Ali Farka Touré album), 1993 album by Ali Farka Touré
 * The Source (Ayreon album), 2017 album by Arjen Anthony Lucassen's project Ayreon
 * The Source (Dizzy Gillespie album), 1973 live album by Dizzy Gillespie
 * The Source (Grandmaster Flash album), 1986 album by Grandmaster Flash
 * The Source (Jackie McLean album), 1973 album by American saxophonist Jackie McLean
 * The Source (Kendrick Scott album), 2007 album by jazz drummer Kendrick Scott
 * The Source (Tony Allen album), 2017 album by drummer Tony Allen
 * The Source, 1969 jazz album by Jimmy Scott
 * The Source (oratorio), a 2014 oratorio by Ted Hearne
 * "The Source", a song by Built to Spill from their 1994 album There's Nothing Wrong with Love
 * Source (album), a 2020 album by Nubya Garcia, or the title song
 * "Source", a song by Tycho from his 2016 album Epoch
 * The Source (Kenny Barron album), 2023 album by jazz pianist Kenny Barron

Periodicals

 * Source (lifestyle magazine), a bi-monthly magazine published by the John Lewis Partnership
 * Source (photography magazine), a quarterly photography magazine
 * The Source, a magazine of hip-hop music and culture
 * The St. Thomas Source, a newspaper published in the United States Virgin Islands
 * The Source (newspaper)
 * The Source, a magazine of the International Water Association (IWA)

Radio

 * The Source (network), a radio network operated in the 1970s and 1980s by NBC
 * WVUR-FM or "The Source", Valparaiso University's student-run radio station

Television

 * The Source with Kaitlan Collins, a show by CNN

Visual arts

 * Source (1/3), public artwork by U.S. artist Tony Smith
 * The Source (Etrog), public artwork by artist Sorel Etrog
 * The Source (Ingres), an 1856 painting by Ingres
 * The Source (sculpture), an electronic moving sculpture at the London Stock Exchange
 * The Source (Courbet), an 1862 painting by French artist Gustav Courbet

Organizations

 * Source (UNSW), a community service provider that used to operate at the University of New South Wales in Sydney, Australia
 * Source Family (1922–1975), a commune outside of 1970's Hollywood
 * Source Vagabond Systems, an Israeli manufacturer using the brand "SOURCE"
 * The Source (online service), an online service provider founded in 1979
 * The Source (retailer), a Canadian electronics store

Places

 * natural spring
 * headwaters
 * The Source OC, a shopping mall in Buena Park, California
 * Les Sources (Sources), Estrie, Quebec, Canada; a regional county municipality
 * Des Sources station (Sources station), Montreal, Quebec, Canada; a light rail station
 * Boulevard Des Sources (Sources Boulevard), Montreal, Quebec, Canada; a large street

Other uses

 * Operation Source, a series of attacks on German warships in 1943
 * Absolute (philosophy), or the source, as the absolute principle of being