| Acronym | Definition |
|---|
| DCM | Dilated Cardiomyopathy |
| DCM | Dichloromethane |
| DCM | Doll Capital Management |
| DCM | Deputy Chief of Mission |
| DCM | Debt Capital Markets |
| DCM | Distinguished Conduct Medal (UK Military) |
| DCM | Discontinuous Conduction Mode |
| DCM | District Committee Member |
| DCM | Demand Chain Management |
| DCM | Digital Clock Manager |
| DCM | Dispersion Compensation Module |
| DCM | Data Collection Module |
| DCM | Digital Content Manager |
| DCM | Discontinuous Current Mode |
| DCM | Defense Contract Management |
| DCM | Director of Civilian Marksmanship |
| DCM | Data Communication Module |
| DCM | Digital Cable Modem |
| DCM | Direction Cosine Matrix |
| DCM | Digital Camera Module |
| DCM | Display and Control Module |
| DCM | Display Control Module (IBM) |
| DCM | Digital Carrier Module (telecommunications) |
| DCM | Dynamic Content Management |
| DCM | data channel multiplexer (US DoD) |
| DCM | Decimeter |
| DCM | Don't Come Monday (fired from job) |
| DCM | Digital Cartographic Model |
| DCM | Delhi Cloth Mills |
| DCM | Digital Circuit Multiplication |
| DCM | Document Content Management |
| DCM | Design and Construction Management |
| DCM | Driver Chain Manager (software library to coordinate accessibility applications) |
| DCM | DICOM File Format (file extension; medical imaging) |
| DCM | Dangerous Cargo Manifest (US DOT) |
| DCM | Don't Care Much |
| DCM | Document Compliance Manager (Documentum) |
| DCM | Deputy Commander for Maintenance |
| DCM | Data Control Module |
| DCM | Dreamcast Magazine |
| DCM | Data Change Management |
| DCM | Diagnostic Control Module |
| DCM | Direct Connect Module |
| DCM | Data Communications Manager |
| DCM | DECOM Control Memory (NASA) |
| DCM | Design Change Management |
| DCM | Data Communications Multiplexer |
| DCM | Discrete Control Module |
| DCM | Defense Control Management |
| DCM | Decoupled Cell Monte-Carlo |
| DCM | DMLSS Communications Management |
| DCM | Distribution Cache Manager |
| DCM | Defensive Combat Maneuvering |
| DCM | Data Compression Multiplexer |
| DCM | Defensive Counter Measures |
| DCM | Division Computing Management |
| DCM | Disk Coverage Method |
| DCM | Diode-Capacitor Multiplier |
| DCM | District Channel Manager |
| DCM | Domestic Capacity Management (Sprint) |
| DCM | Definition, Calculation, and Measurement |
| DCM | Delaware Custom Material |
| DCM | Distance-Conserving Mapping |
| DCM | Directory Control Module |
| DCM | Disciplined Clock Module (DSC) |
| DCM | Division Control Multivibrator |
| DCM | Delivery Capability Management |
| DCM | Development Cycle Manager |
| DCM | Digital Commerce Manager |
| DCM | Document Classification Module |
| DCM | Dark Chaos Magic (gaming clan) |
| DCM | Data Correction Mode |