Adi

Adi or ADI may refer to:

Names and titles

Aerodynamics Inc., a small airline in the US
Aircraft Designs Inc, an aircraft design firm in Monterey, California
Alfred Deakin Institute, at Deakin University, in Geelong, Australia
American Documentation Institute, former name of the Association for Information Science and Technology
Analog Devices, Inc, producer of semiconductors (ADI is their symbol on the New York Stock Exchange)
Animal Defenders International, a nonprofit campaigning group
Associazione per il Disegno Industriale
Australian Defence Industries, former name of Thales Australia
Australian Doctors International
Independent Democratic Action (Portuguese: Acção Democrática Independente), a political party in São Tomé and Príncipe

Acceptable daily intake, in health and medicine
Acting detective inspector, a type of police inspector
Africa Development Indicators, a compilation of data assembled by the World Bank
Alternating direction implicit method for solving partial differential equations
Ángeles del Infierno, a Spanish heavy metal band
Anti-detonant injection, another name for water injection in internal combustion engines
Approved Driving Instructor, a qualified UK car driver trainer
Area of dominant influence, term used by Arbitron in media marketing
Authorised deposit-taking institution, a corporation authorised under the Australian Commonwealth Banking Act 1959
Autism Diagnostic Interview, a parent interview used to aid diagnosis of autism

ADI 4277 and ADPF 132 v. Brazilian civil union, actions to civil union equality
Adi people, a tribe living in Arunachal Pradesh, India
- Adi language, the Tibeto-Burman language spoken by the Adi
Adi tala, a tala (rhythm) in Carnatic music
Banu Adi, a clan of the Quraish tribe of Mecca
Mancala, a variant of the game