DMS
DMS may refer to:

Science and technology

Computing
 Document management system
 Digital Media Server, a category within the Digital Living Network Alliance standard
 Disk Masher System, compression software for the Amiga computer
 Unisys DMS, a Unisys OS 2200 database
 Unisys DMSII
 Digital Microsystems, Inc., an early microcomputer company
 Digital Multiplex System, a telephone exchange system
 Dealership management system, for car dealerships
 DMS Software Reengineering Toolkit, program transformation tools
 DMS-59, a video connector supporting two displays

Chemistry and materials science
 Differential mobility spectrometry in ion-mobility spectrometry–mass spectrometry
 Dilute magnetic semiconductor, semiconductors with magnetic properties
 Dimethyl sulfate, a methylating agent
 Dimethyl sulfide, an organosulfur compound
 N,N-Dimethylsphingosine
 Dimethylstilbestrol, a nonsteroidal estrogen

Other uses in science and technology
 Dead man's switch
 Degree-Minute-Second, sexagesimal degree divisions
 Diagnostic medical sonography, in ultrasound imaging
 Distribution management system, of electrical energy
 Dynamic message sign, a variable-message traffic sign
 Delusional misidentification syndrome - a class of mental delusions, caused by various neurological diseases.
 Driver Monitoring System - monitors that the driver of a car is awake and alert

Education
 Delft Management Society, a student society of Delft University of Technology, The Netherlands
 Post-Graduate Diploma in Management Studies (post-nominal letters D.M.S.)
 Dartmouth Medical School
  Demonstration Multipurpose School (DMS), Mysore, India

Military
 Decoration for Meritorious Services in the pre-1994 Republic of South Africa (post-nominal letters DMS)
 Distinguished Military Service Medal Papua New Guinea (Papua New Guinea created their own honours system in 2004 with the first investitures being performed by The Princess Royal in September 2005. Papua New Guinea still recognises the Imperial Honours System)
 Defence Medical Services, UK
 Director Medical Services, a senior appointment within the Army Medical Services of the British Army
 DMS Maritime, a company providing service to the Royal Australian Navy
 Defense Message System, in the US Department of Defense
 DMS, the United States Navy hull classification symbol for "destroyer minesweeper"

Other uses
 Design Manufacture Service, an outsourcing business model
 DMS Fleetline, a prefix of Daimler/Leyland Fleetline double-decker buses formerly used by London Transport
 Diminishing manufacturing sources

See also
DM (disambiguation)
DOMS (disambiguation)