ADC may refer to:

In aviation:

• ADC Aircraft, a British firm established in March 1920
• ADC Airlines, based in Ikeja, Nigeria
• Aerospace Defense Command of the U.S. Air Force
• Air data computer

In crime:

• America's Dumbest Criminals, a reality television series
• Arizona Department of Corrections

In people:

• Andrew Dice Clay, an American comedian

In politics:

• The Asociaci n Democr tica de Colima, a political party from the State of Colima, Mexico

In technology:

• ADC Telecommunications in Eden Prairie, Minnesota
• Advanced Data Connector, a Microsoft technology used in conjunction with ActiveX Data Objects
• Advanced Direct Connect, a peer-to-peer file sharing and chat protocol
• Analog-to-digital converter, an electronic circuit that converts continuous signals to discrete digital numbers
• Android Developer Challenge, a competition
• Apple Developer Connection, Apple Computer's developer network
• Apple Display Connector, a proprietary modification of the DVI connector
• Application Delivery Controller, a device for accelerating web site performance
• Armenian Datacom Company, in Yerevan, Armenia

In other fields:

• Acadia Divinity College, a seminary located on the campus of Acadia University
• ADC (gene), a human gene
• ADC Map, an American publisher of maps and street atlases
• ADC Theatre, the arts venue of the University of Cambridge
• Adlington (Cheshire) railway station's (British) National Rail code
• Advanced DC Motors Inc.
• After-death communications, communications from a person who has died
• Aid to Families with Dependent Children, an American government social program from 1935 1960
• Aide-de-camp, a personal assistant, secretary, or adjutant to a person of high rank
• AIDS dementia complex, a common neurological disorder associated with HIV infection and AIDS
• American Deserters Committee, an anti-Vietnam War group
• American-Arab Anti-Discrimination Committee, a civil rights organization
• Antibody-drug conjugate, a type of anticancer treatment
• Archives of Disease in Childhood, a pediatric medical journal
• Art Directors Club, a professional association
• Australian Dance Council, a national dance advocacy organisation
• Australian Defence College, located at Weston Creek in Canberra
• Automated dispensing cabinet, a computerized drug storage device designed for hospitals
• Apparent diffusion coefficient

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