DCM may refer to:
Science and technology Deep cement mixing in marine geotechnical engineering Deep chlorophyll maximum, subsurface maximum in the concentration of chlorophyll Dichloromethane, a common solvent in organic chemistry Dilated cardiomyopathy, a heart condition Direction cosine matrix, a three-dimensional rotation formalism Docking Cargo Module, A Russian module of the International Space Station Dynamic causal modelling, a method for the interpretation of functional neuroimaging data
Computing Digital clock manager, in field-programmable gate arrays .dcm, a filename extension for Digital Imaging and Communications in Medicine Desired Configuration Management, in Microsoft's System Center Configuration Manager
Organisations DCM textiles, formerly Delhi Cloth & General Mills DCM Ventures, a venture capital company Digital Cinema Media, an advertising company NTT DoCoMo (NYSE symbol), a mobile phone operator in Japan Doll Capital Management, a US venture capital firm which funded SandForce, BitTorrent and others Dunbee-Combex-Marx, a former British toy manufacturer which purchased Lines Bros and Schuco Modell DoubleClick Campaign Manager, online ad management and ad serving solution.
Other uses IATA code for Castres–Mazamet Airport, an airport in France ICAO airline code used by Fltplan.com Demand Chain Management Deputy Chief of Mission Designated Contract Market, regulatory term for a Prediction market Director of Civilian Marksmanship, by U.S. Civilian Marksmanship Program Debt capital markets in finance Distinguished Conduct Medal, British and Commonwealth medal for extreme bravery