| Abbreviation | Definition |
|---|---|
| DOFT | Department of Transport |
| DOHC | Dual Over-Head Cam |
| DOI | Department of Interior |
| DOMICE | Domestic Icebreaking |
| DOPD | Delivered On Promised Day |
| DOR | Date Of Registry |
| DOST | Delivery Optimization Shared Transportation |
| DOT | Department of Transportation's |
| DOT | Dept of Transportation |
| DOTC | Department of Transportation and Communications |
| DOTC | Department of Transportation and Communications (Philippines) |
| DOTD | Department of Transportation and Development |
| DOTE | Department Of Transportation and Engineering |
| DOTS | Department of Transportation Services |
| DOTS | Dynamic Ocean Tracking System |
| DOV | Dover Amtrak Station |
| DP | Departure Procedure |
| DPC | Destination Point Code |
| DPCD | Dodge-Plymouth-Chrysler-DeSoto |
| DPM | Downtown People Mover |