Sport
* Deutsche Tourenwagen Masters, a motor-racing series staged annually in Germany since 2000 * Deutsche Tourenwagen Meisterschaft, a motor-racing championship staged in Germany from 1984 to 1995Computing
* Deterministic Turing machine, an abstract symbol-manipulating device that was first described in 1936 by Alan Turing * Digital terrain model, a digital representation of ground-surface topography or terrain * Driver Test Manager, a test-automation framework provided by Microsoft as a part of Windows Driver Kit (WDK) * Dual Transfer Mode, supporting simultaneous voice and packet data in a GSM network * Dynamic synchronous Transfer Mode, a networking technology * Digital transaction management, a category of cloud services designed to digitally manage document-based transactions *Medicine
*Media
* Dennis the Menace (disambiguation), various meanings relating to original comics as well as TV series, films and video games based on them * Detroit Techno Militia, a collective of techno DJs and musicians in Michigan * Desktop musicWeapons
* DTM, variant of the Degtyaryov machine gun for mounting and loading in armoured fighting vehicles.Other
* Demographic transition model, a model used to represent the changes in birth- and death-rates of a country * Distinguished Toastmaster, a certification of Toastmasters International * Dortmund Airport, an international airport in Germany *