DDM may refer to:
Computing
*
Data Diffusion Machine, a virtual shared memory computer architecture from the 1990s
*
Digital diagnostics monitoring function in SFP transceivers
*
Distributed Data Management Architecture, an open, published architecture for creating, managing and accessing data on a remote computer.
* Dynamic Data Masking, a form of
data masking
Data masking or data obfuscation is the process of modifying sensitive data in such a way that it is of no or little value to unauthorized intruders while still being usable by software or authorized personnel. Data masking can also be referred as ...
*
Dynamic Device Mapping, an advanced technology for USB KVM switches
Science and technology
* Derrick Drilling Machine, or
Top drive A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the rotary table and kelly drive. It is located at the swivel's place below the traveling block and ...
* Difference in the Depth of Modulation, an amplitude modulation method used in the Instrument Landing System
* Differential dynamic microscopy, an optical technique
* Direct Digital Manufacturing
* Doctor of Dental Medicine, an academic degree for dentistry
* Domain decomposition methods
* Two-alternative_forced_choice#Drift-diffusion_model, Drift Diffusion Model, a method used in psychological choice testing
* Maltosides (n-Dodecyl β-D-Maltopyranoside), a detergent used when purifying membrane proteins
* Dyson Digital Motor, a two-pole switched reluctance motor
Finance
* Dividend Discount Model, a valuation method for shares based on dividends
* East German mark, a former currency (ISO code was ''DDM'')
Other uses
* ''Deutsches Dampflokomotiv-Museum'', the German Steam Locomotive Museum
* Dharma Drum Mountain, a Buddhist educational foundation
* Didymoteicho, a Greek town
* ''Dubbeldeks Materieel'', a class of trains in the Netherlands#Electric multiple units, trains in the Netherlands
* Dungeon Dice Monsters, a board game
* Dungeons & Dragons Miniatures Game, collectible tactical skirmish game
{{disambig
