DM

DM, Dm, dm, or D.M. may stand for:

Academic titles and postnominals

 * Doctor of Management, an academic management degree
 * Doctor of Music, an academic music-performance degree, also known as DMA

Broadcasting

 * Danger Mouse (TV series), a British animated television series
 * WWDM, a radio station licensed to Sumter, South Carolina, United States

Gaming

 * Deathmatch (video games), a gameplay mode integrated into first-person shooter computer games
 * Dungeon Master, the game designer, storyteller and referee in Dungeons & Dragons

Music

 * D minor, a minor scale or chord
 * DM (album), 2017, by Mexican singer Dulce María
 * "DM" (song), 2022, by fromis_9
 * Dance marathon, a multiple-day charity event on U.S. college campuses
 * Depeche Mode, an English synthpop band formed in 1980
 * Drum major (marching band), the leader of a marching band

Social media

 * Digital marketing
 * Private message (also direct message or dm)

In business and economics

 * Deutsche Mark (1948–2002), the former currency of Germany (and West Germany)
 * East German mark (1951–1990)

Companies and products

 * Detroit and Mackinac Railway
 * dm-drogerie markt, a German drugstore chain
 * Dr. Martens, a brand of boots
 * DM, IATA code of Arajet
 * DM, then IATA code of Maersk Air, a former Danish airline which operated from 1969 until 2005

Military

 * Designated marksman, a soldier fulfilling the marksman role in an infantry squad
 * Royal Naval Armaments Depot, Defense Munitions, sites are prefixed DM
 * A US Navy hull classification symbol: Light minelayer (DM)

Places

 * Davis–Monthan Air Force Base, Tucson, Arizona, US
 * Des Moines, Iowa, the state capital
 * Dominica, an island nation in the Caribbean Sea (ISO 3166-1 alpha-2 code: DM)

Computing

 * .dm, Dominica's top-level Internet domain
 * Dimensional modeling, a set of techniques and concepts used in data warehouse design

Software

 * Display Manager, a window system for Domain/OS on Apollo/Domain workstations
 * Device mapper, a component of the Linux kernel that supports logical volume management
 * X display manager, a graphical login manager

Medicine

 * Degenerative myelopathy, a condition in dogs affecting the spinal cord
 * Diabetes mellitus, a disease characterized by high blood sugar
 * Difference due to memory, a neural activity effect
 * Double minute, fragments of extrachromosomal DNA in human tumors
 * Myotonic dystrophy (DM-1/2/3), a chronic muscle-wasting disease
 * n-Decyl β-D-Maltopyranoside, a maltoside detergent used when purifying membrane proteins
 * Dermatomyositis, an inflammatory systemic disorder affecting the skin, muscles, and other organs

Physics

 * Dark matter, in cosmology, hypothetical non-luminous matter
 * Deformable mirror
 * Dispersion measure, the amount of dispersion of radio waves by interstellar medium

Units of length

 * Decimetre, equal to ten centimetres
 * Decametre (sometimes ), equal to ten metres
 * Data mile, in radar, equal to 6000 feet

Other uses in science, technology and mathematics

 * Adamsite, a chemical agent used in riot control
 * Differential Manchester encoding
 * Distributed morphology, a theoretical framework in linguistics

Sports and recreation

 * Danske Mesterskaber, the Danish Athletics Championships
 * Defensive midfielder, an association football position
 * Divemaster, in scuba diving
 * Dungeon monitor, a safety role in BDSM

Other uses

 * De minimis, a Latin legal term
 * Diis Manibus, a Latin epitaphial acronym
 * SJ Dm3, and Dm, Swedish locomotives
 * District magistrate, senior local role in the Indian Administrative Service


 * Des Moines, Iowa