| DSLR | Digital single-lens reflex |
| DSP | Deputy Superintendent of Police |
| DSL | Digital Subscriber Line |
| DP | Display Picture |
| DP | Data Processing |
| DVD | Digital Video Disc or Digital Versatile Disc |
| DDT | Dichloro Diphenyl Trichloroethane |
| DNA | Deoxyribonucleic Acid |
| DDT | DichloroDiphenylTrichloroethane |
| DJ | Disc Jockey |
| DHL | Dalsey Hillblom Lynn |
| DIG | Deputy Inspector General |
| DLF | Delhi Land and Finance |
| DRDO | Defence Research and Development Organization |
| DS Group | Dharampal Satyapal Group |
| DST | Department of Science & Technology |
| DVC | Damodar Valley Corporation |
| DM | Direct Message / Don’t Mind |
| DNS | Domain Name System |
| DTP | Desk-Top Publishing |
| DTP | Distributed Transaction Processing |
| DGMW | Don’t Get Me Wrong |
| DIY | Do It Yourself |
| DC | Direct Current |
| DTR | Deep Tendon Reflexes |
| DM | Diabetes Mellitus |
| DAVT Time Zone | Davis Time (Standard Time) |
| DDUT Time Zone | Dumont-d'Urville Time (Standard Time) |
| DHTML | Dynamic Hyper Text Markup Language |
| DTD | Document Type Declaration |
| DOM | Document Object Model |
