| Abbreviation | Definition |
|---|---|
| DNP | Did Not Pick |
| DNS | Do Not Ship |
| DOA | Defective On Arrival |
| DOG | Deadbolt Over Grabstep |
| DOG | Downwards Offerings Gone |
| DOG | Dying Operations Gone |
| DOHC | Double Over-Head Camshaft |
| DOM | Drawn Over Mandrel |
| DOWS | Downhole Oil Water Separator |
| DPC | Diesel Power Challenge |
| DPC | Direct Plated Copper |
| DPE | Dairy Products and Eggs |
| DPF | Diesel Particulate Filter |
| DPFS | Diesel Particulate Filter System |
| DPI | Differential Pressure Indicator |
| DPL | Distribution de Produits de Luxe (French: Distribution of Luxury Products) |
| DPM | Defect Per Million |
| DPMO | Defect Per Million Opportunities |
| DPMU | Defects Per Million Units |
| DPN | Double Pointed Needle |