| Department of Hydro Meteorological Service | Academic & Science |
| Diploma of Health Medical Sceince | Academic & Science |
| Dense Hydrous Magnesium Silicates | Academic & Science |
| Digital Home Marketing System | Business |
| Dairy Herd Management System | Business |
| Diploma in Homeopathic Medicine and Surgery | Business |
| Diamond Home Services, Inc. | Business |
| Dental Health Management Solutions | Business Management |
| Dense Hydrous Magnesium Silicate | Chemistry |
| Dunedin Highland Middle School | Community |
| Druid Hills Middle School | Community |
| Dakota Hills Middle School | Community |
| Dzantik'I Heeni Middle School | Community |
| Drexel Hill Middle School | Community |
| Desert Hills Middle School | Community |
| Drayton Hall Middle School | Community |
| Diploma Homeophathic Medical Science | Educational Degree |
| Digital Humanities and Media Studies | General |
| Department of Hydro Met Services | General |
| Deanwood Heights Main Streets | General |
| Deilmann Haniel Mining Systems | General |
| Days, Hours, Minutes, Seconds | Measurement Unit |
| Defense Healthcare Management Systems | Medical |
| Discovery Health Medical Scheme | Medical |
| Diploma in Homeopathic Medical System | Medical |
| Diploma in Homeopathic Medicine Surgery | Medical |
