| Abbreviation | Definition |
|---|---|
| DOCS | Department Of Community Services |
| DOCSIS | Data-Over-Cable Service Interface Specification |
| DOD | Directorate of Disinvestment |
| DOD | Dissolved Oxygen Demand |
| DOD | Date of death |
| DOD | Damage Over Dose |
| DOD | Department of Defense |
| DOD | Direct Outward Dial |
| DOD | Debt Outstanding Disbursed |
| DODD | Department of Defense Directive |
| DOE | Department of Electronics |
| DOE | Date Of Examination |
| DOE | Department Of Energy |
| DOE | Department Of Ecology |
| DOE | Canada. Environment Canada |
| DOE | Department Of Education |
| DOE | Department Of The Environment |
| DOE | Design Of Experiments |
| DOE | Dishonest Outrageous Employees |
| DOELAP | Department of Energy Laboratory Accreditation Program |
| DOF | Direction of Flight |
| DOH | Department Of Health |
| DOH | Discrete Output High |
| DOI | Date of injury |
| DOI | Descent Orbit Insertion |
| DOI | Department of Interior |
| DOIM | Director Of Information Management |
| DOIT | Department Of Information Technology |
| DOK | Defender Of Kings |
| DOL | Department of Labor |
| DOL | Discrete Output Low |
| DOLARS | Departmental Online Accounting & Reporting System |
| DOLE | Department of Labor and Employment |
| DOM | Doctor Of Oriental Medicine |
| DOM | Document Object Model |
| DON | Deoxynivalenol |
| DOP | DiOctylPhthalate |
| DOP | Director Of Photography |
| DOP | Diver Operated Plug |
| DOPA | Department Of Public Administration |
| DOPC | Determined Osteogenic Precursor Cell |
| DOQ | Digital Orthographic Quadrangle |
| DOR | Dynastic Organ Revitaliser |
| DOR | Differenced One-way Range |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite |
| DORT | Discrete Ordinates Code |
| DOS | Department of Space |
| DOS | Di-Octyl Sebacate |
| DOS | Denial Of Service |
| DOS | Disk Operating System |