| Acronym | Definition |
|---|
| OBSD➣Open Bsd |
| OBSD➣Optical Beam Smoke Detector (fire safety) |
| OBSD➣Object-Based Storage Device |
| OBSD➣Ocean Beach School District (Washington) |
| OBSD➣Outcome Based Service Delivery (East Central Alberta Child and Family Services; Canada) |
| OBSD➣Open Berkeley System Distribution |