DM
DM, Dm, dm, or D.M. may stand for:
Academia
Science
- Adamsite, a chemical agent used in riot control
- decimetre, or decimeter, the symbol for the SI unit of length
- Degenerative myelopathy, a condition in dogs affecting the spinal cord
- Dextromethorphan, an anti-coughing drug found in many preparations
- Diabetes mellitus, a disease characterized by high blood sugar
- Cantor's diagonal argument (diagonal metho), a mathematical proof of the uncountability of real numbers
- Dichroic mirror, a mirror with different transmittance or reflectance at two different wavelengths
- Dispersion measure, the amount of dispersion of radio waves by interstellar medium
- Distributed morphology, a framework for theories of morphology in generative linguistics
- Dry matter, a measurement of the mass of something when completely dried
- Myotonic dystrophy, dystrophia myotonica, DM-1/2/3, a disease characterized by wasting of muscles
- Difference due to Memory, an event related potential differentiating between later remembered versus forgotten items
Computing
- Data mart, a specialized version of a data warehouse
- Data mining, the process of automatically searching large volumes of data for patterns
- Device Management, a standard for automatically updating the software on mobile phone
- Device-mapper, a component of the Linux kernel that supports logical volume management
- Digital Mars, an American software company developing compilers
- Direct Message, used at Twitter
- DM (computing), Display Manager, a window system for Apollo/Domain workstations running AEGIS (Domain/OS)
Game
Finance
- Deutsche Mark (1948–2002), the former official currency of Germany
- East German mark (1951–1990), initially Deutsche Mark, the former official currency of East Germany
- Developed market Those countries that are thought to be the most developed
Business
- Direct market, the dominant distribution and retail network for North American comic books
- Direct marketing or direct mail, a type of marketing sending messages directly to consumers
- Maersk Air, IATA code DM, a former Danish airline which operated from 1969 until 2005
Military
Music
- Bands
Places
- Dominica, an island nation in the Caribbean Sea
- Des Moines, the capital of the state of Iowa in the United States
People
- Dennis Miller (born 1953), an American entertainer, stand-up comedian, TV personality
- Dean Malenko (born 1960), a pro wrestler
- David Miscavige (born 1960), a chairman of RTC (Religious Technology Center)
- Dave Mustaine (born 1961), a guitarist and songwriter of Megadeth
Other
- Dance Marathon, a multiple-day charity event on U.S. college campuses
- Danger Mouse (TV Series), a British animated television series
- Daily Motion, a video sharing website
- Digital Monolithic, a National Semiconductor prefix for their digital logic integrated circuits
- Dr. Martens, a brand of boots
- Defensive Midfielder, an association football position
- Divemaster, a title in scuba diving
- SJ Dm3, and Dm, a Swedish locomotives
- WWDM, a radio station licensed to Sumter, South Carolina, United States