| Acronym | Definition |
|---|
| QD | Quaque Die (Latin: Daily) |
| QD | Quand (French: when) |
| QD | Quick Disconnect |
| QD | Quantum Dot |
| QD | Quick Detachable (firearm accessory) |
| QD | Quantum Design (various locations) |
| QD | QuickDraw (Macintosh ROM program) |
| QD | Quantity Discount |
| QD | Quarter Deck |
| QD | Quantity/Distance (explosives storage) |
| QD | Questioned Document (legal) |
| QD | Queuing Delay |
| QD | Questionable Data |
| QD | Quotient de Danger (French: Hazard Quotient) |
| QD | Qualified Data |
| QD | Quad Damage (gaming, Quake 3 Arena) |
| QD | Quantity Distance |
| QD | Quattuor Dimensionis |
| QD | Quality Denial (Wikipedia criticism) |
| QD | Quantum Data, Inc |
| QD | Quadrupole Doublet |
| QD | Quasi Dicat (Latin: as if he would say) |
| QD | Query Detection |