DM, Dm, dm, or D.M. may stand for:
Academic titles and postnominals Doctor of Management, an academic management degree Doctor of Medicine, commonly known as M.D. but archaically abbreviated as D.M. Doctor of Music, an academic music-performance degree, also known as DMA
Arts, entertainment, and media
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 Death Metal, an extreme subgenre of heavy metal music
Social media Digital marketing Direct message
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) Gorontalo (vehicle registration prefix DM)
Science, technology, and mathematics 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 Diminished motivation, a condition characterized by lack of motivation 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 (dm), equal to ten centimetres Decametre (sometimes Dm), equal to ten metres Data mile (DM), 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 Dallas Mavericks, an NBA team Danske Mesterskaber, the Danish Athletics Championships Defensive midfielder, an association football position Divemaster, in scuba diving
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
See also DMS (disambiguation) MD (disambiguation)