| Acronym | Definition |
|---|
| QSD | Quality Systems Development (various companies) |
| QSD | Qualified Storm Water Developer |
| QSD | Quick Stop Device (machining) |
| QSD | Your Keying Is Defective (Radiotelegraphy) |
| QSD | Qualified SWPPP (Storm Water Pollution Prevention Plan) Developer (construction) |
| QSD | Quality Systems Division |
| QSD | Quality Services Division (Oak Ridge National Laboratory) |
| QSD | Quesnel School District (Canada) |
| QSD | Quality Support Division |
| QSD | Quality System Database |
| QSD | Quantity Safety Distance |
| QSD | Quarter Square Degree |
| QSD | Quality Standard Deviation |