ADD (disambiguation)

ADD is short for attention deficit disorder, and is an older name for attention deficit hyperactivity disorder. Add or ADD may also refer to:

Entertainment

 * A.D.D. (Audio Day Dream), a 2007 album by Blake Lewis
 * "A.D.D", a song on the 1998 album Hard to Swallow by Vanilla Ice
 * "A.D.D. (American Dream Denial)", a song on the 2002 album Steal This Album! by System of a Down
 * “ADD”, a song on the 2017 album Mix & Match by Loona sub-unit Odd Eye Circle
 * "ADD", a song on the 2022 album Cave World by Viagra Boys

Science and technology

 * Addition, a mathematical operation
 * ADD model, a hypothesis in physics
 * Agency for Defense Development, a South Korean national research and development agency
 * Android Developer Day
 * Accumulated degree days, a measure of heating or cooling
 * Architectural design document (or sometimes Architectural decision document), part of a software design document
 * Automatic dropping device, a safety system for a pantograph
 * ADD, a SPARS code appearing on some compact disc recordings
 * Androsta-1,4-diene-3,17-dione, an intermediate in hormone synthesis

Transport

 * Adderley Park railway station (Station code), Birmingham, England
 * Addis Ababa Bole International Airport (IATA code), Addis Ababa, Ethiopia

Other uses

 * River Add, Scotland
 * Anti-dumping duties; see Dumping (pricing policy)
 * Atatürkist Thought Association (Turkish: Atatürkçü Düşünce Derneği), a Turkish secularism organization
 * Dzodinka language (ISO 639-3 code), a Niger-Congo language of Cameroon
 * Agency for Defense Development, a South Korean government agency