DCM
- Castres–Mazamet Airport
- DCM Ventures
- DCM textiles
- Debt capital markets
- Deep chlorophyll maximum
- Demand chain management
- Deputy chief of mission
- Dichloromethane
- Digital Cinema Media
- Digital Imaging and Communications in Medicine
- Digital clock manager
- Dilated cardiomyopathy
- Direction cosine matrix
- Director of Civilian Marksmanship
- Distinguished Conduct Medal
- Docking Cargo Module
- DoubleClick
- Dynamic causal modelling
- Lines Bros
- NTT DoCoMo
- SandForce
- System Center Configuration Manager