Adm is an abbreviation for the naval rank of admiral. ADM or A.D.M. may also refer to:

Aviation

* , Quebec, Canada * Aéroports du Mali, airport operator in Mali * Agency debit memo in the travel industry * IATA airport code for Ardmore Municipal Airport in State of Oklahoma, USA * Pilot decision making, also known as aeronautical decision-making

Business

* Admiral Group, insurer, Cardiff, Wales, LSE symbol ADM * American Dream Meadowlands, a mall in New Jersey, US * Archer Daniels Midland, a food-processing company * Astra Daihatsu Motor, an Indonesian automotive company

* Adisham railway station, Kent, England, station code * Admiralty MRT station, Singapore, abbreviation * Admiralty station (MTR), Hong Kong, station code * Ardmore station (Oklahoma), Amtrak, station code

* Assyrian Democratic Movement, Iraq * , the national authority managing Morocco's expressways

* Adaptive delta modulation, a digital-to-analog data conversion technique * Add-drop multiplexer, in optical fiber networks * Administrative Template, in Microsoft Windows Group Policy deployment * ADM-3A, a computer terminal manufactured by Lear Siegler * Application development and maintenance in Lean IT * Architecture Development Method, a component of The Open Group Architecture Framework * Architecture-driven modernization of legacy software * Automated decision-making

* ADM formalism of general relativity * Ammonium dimolybdate * Arrow diagramming method, a network-diagramming technique * Atomic demolition munition * Auto Dynamic Metering, Olympus OM-2 camera light metering

* Additional district magistrate, a civil service officer in India, below district magistrate * Adel–De Soto–Minburn Community School District, in Adel, Iowa, US * ''A.D.M.'' (album), by New Zealand band Snapper, 1996 * ADM (Amsterdam), a former squat in the Port of Amsterdam * Alex de Minaur, an Australian professional tennis player