A.D.D.

Add or A.D.D. may refer to:

Science and technology

• Attention deficit transfer, by acronym of one of the names you have received in English (Attention Deficit Disorder).
• Android Developer Day (ADD), Android Developer Day
• ADD, a SPARS code that appears on some CD recordings

Entertainment

• A.D. (Audio Day Dream), a 2007 Blake Lewis album
• "A.D.D.," an album song Hard to Swallow of 1998 by Vanilla Ice
• "ADD (American Dream Denial)", an album song Steal This Album! 2002 System of a Down
• "ADD", an album song Mix artificialMatch 2017 of the Odd Eye Circle subunit Loona

Transportation

• Bole International Airport (Ethiopia), by its IATA code.

Other uses

• Rio Add, Scotland
• Atatürkist Thought Association (Turkish: Atatürkçü Düşünce Derneği), a Turkish secularist organization
• Language dzodinka (ISO 639-3 code), a Congo-Nigerian language of Cameroon
• Defense Development Agency (ADD), a government agency in South Korea