| Abbreviation | Definition |
|---|---|
| DNN | Diploma in Nursery Nursing |
| DNP | Doctor of Nursing Practice |
| DO | Doctor of Osteopathic Medicine |
| DO | Doctor of Osteopathy |
| DOB | Doctorate Of Business |
| DOE | Diplomate, Ocean Engineering |
| DOLS | Direct online start |
| DOM | Doctor of Oriental Medicine |
| DOMP | Diploma in Osteopathic Manual Practice |
| DOSF | Diploma of Science Foundations |
| DP | Deformation Process |
| DP | Dehydrogenation Process |
| DP | Demagnetization Process |
| DP | Desalting Process |
| DP | Doctor of Paediatrics |
| DPC | Damp Proof Course |
| DPM | Doctor of Podiatric Medicine |
| DPNAP | Distinguished Member of the National Academies of Practice |
| DProf | Doctor of Professional Studies |
| DPS | Doctor of Professional Studies |