Adi

Adi may refer to:
*The Banu Adi clan
*The Adi people
*The Adi language
*Adi bin Zayd 5th century Arabian poet
* Adi is an Israeli name which means 'adornment'.
*Adi, Israel, a settlement in the Jezreel Valley Regional Council
* Adi (island), an island of Indonesia
*Adi is sometime as known as the abbreviation of Adidas
* Adi (title): a Fijian title used by females of chiefly rank
* Adi (name): Bosnian short for Adnan or Ajdin
* Adi Shankara, Indian mystic
* ADI club, the Hungarian youth club
* Adi (name): An Indian name short for Aditya
* Adi (name): Polish nickname for Adrian
* Sailom Adi, a Thai amateur boxer

ADI may mean:
* Ángeles del Infierno, a Spanish heavy metal band.
* Acting Detective Inspector
* Area of Dominant Influence, in broadcast marketing, an Arbitron
* Aircraft de-icer and inhibitor
* Anti-detonant injection for internal combustion engines
* Acceptable daily intake, in health and medicine
* Attitude Director Indicator, aircraft flight instrument
* After Development Inspection, otherwise known as Quality Assurance
* Aircraft Designs Inc., an aircraft design firm in Monterey, California
* Alternating direction implicit method for solving partial differential equations
* Amalgamated Dynamics Incorporated, a special effects company who has worked on the "Alien" films
* American Democracy Institute, a nonpartisan, nonprofit education and research center
* Analog Devices Incorporated, a corporation that produces analog electronic circuits and signal processing solutions. ADI is their symbol on the NYSE.
* Animal Defenders International, a nonprofit campaigning group
* Application and Data Integration, in computing
* Approved Driving Instructor, a qualified UK car driver trainer
* Austempered Ductile Iron known also as Bainitic Ductile Iron
* Australian Defence Industries
* Australian Doctors International
* Autism Diagnostic Interview, a semistructured parent interview used to aid in diagnosing autism. See ADI-R for article on current edition.
* Average Daily Intake
* Associazione per il Disegno Industriale
* Authorised Deposit-Taking Institution, a corporation authorised under the Australian Commonwealth Banking Act 1959