DC most often refers to:

• Washington, D.C. (District of Columbia), the capital of the United States
• DC Comics, an American comic book publisher
• Direct current, electric current which flows in only one direction

DC, D.C., D/C, Dc, or dc may refer to:

• Bogotá, Distrito Capital, the capital city of Colombia
• Dubai City

• dC, decicoulomb, a tenth of a Coulomb, the SI unit of electric charge
• New Zealand DC class locomotive
• Methylphosphonyl dichloride, a chemical weapons precursor
• A don't care term, in digital logic

• Dendritic cell, a class of immune cell
• Doctor of Chiropractic, a qualification in alternative medicine

• dc (computer program), a command-line based calculator on Unix-derived systems
• DC coefficient, in a discrete cosine transform
• Data center, a physical location housing computing-related gear
• Device context, part of the legacy Microsoft Windows graphics API
• Differential cryptanalysis
• DigiCipher, a digital encoding scheme
• Direct Connect (protocol), for file sharing
• Domain Component, an attribute in LDAP
• Domain controller, a server used to manage a Microsoft Windows domain
• Dublin Core, a metadata standard
• Dynamic contrast, an LCD technology

• dc (elliptic function), in complex analysis
• Axiom of dependent choice, in set theory
• DC, 600 in Roman numerals
• DC, 220 in hexadecimal

• D.C. (TV series)
• Detective Comics, a comic book series published by DC Comics
• DC Inside, a South Korean internet forum
• "DC" (Succession), a television episode

• Da capo, a musical term
• Destiny's Child, an American R&B group
• Drum Connection, a German pop group

• Da Capo (visual novel)
• Desert Combat, a Battlefield 1942 mod
• Dino Crisis, a survival horror game series

• DC Recordings, a record label
• DC Shoes, an American sports footwear company
• Delta Clipper, a proposed rocketship series by McDonnell Douglas
• DC (Douglas Commercial), a series of aircraft by the Douglas Aircraft Company (and later McDonnell Douglas)
• Dyson vacuum cleaners, which use product code prefix DC
• Golden Air, an airline (IATA code DC)

• Christian Democracy (Italy), a political party
• Christian Democracy (Brazil), a political party
• Detective constable, a police rank
• District collector, an Indian Administrative Service position
• Deputy commissioner, an administrative rank
• Dossier criminal, in Indian policing

• D/C, stage name of British singer-songwriter Dan Caplen
• Daniel Cormier (born 1979) Olympic wrestler and heavyweight mixed martial artist
• David Coulthard (born 1971) British racing driver, known as DC
• DC., the standard author abbreviation for botanist Augustin Pyramus de Candolle (1778–1841)
• Donald L. Cox (1936–2011), American leader of the Black Panther Party, known as Field Marshal DC

• DC, a dominical letter indicating a leap year starting on Thursday
• Christian Doctrine Fathers, a Catholic organization
• Daughters of Charity of Saint Vincent de Paul, a Society of Apostolic Life for women within the Catholic Church
• Deuterocanon, books of the Bible which are considered non-canonical by Protestant denominations

• Delaware County Christian School, in Pennsylvania, US
• Dhaka College, in Bangladesh
• Dominican Convent High School, Bulawayo, a Catholic high school for girls in Zimbabwe
• Dominican Convent Primary School, Bulawayo, a Catholic preparatory school for girls in Zimbabwe

• Delhi Capitals, an Indian Premier League cricket franchise
• Deccan Chargers, a former Indian Premier League cricket franchise

• Distribution center, a building stocked with goods for delivery
• Dream character, an imaginary entity in a person's dreams
• Drower Collection, a collection of Mandaic manuscripts held at the Bodleian Library in Oxford, United Kingdom

• All pages with titles containing DC or DCs
• All pages with titles beginning with DC
• D&C (disambiguation)
• AC/DC (disambiguation)
• Divide and conquer (disambiguation)