| Acronym | Definition |
|---|
| POSD➣Presbytery of South Dakota (Sioux Falls, South Dakota) |
| POSD➣Point of Sale Display |
| POSD➣Port Operations, Security, and Defense (US Coast Guard) |
| POSD➣Planar Open-Sleeve Dipole |
| POSD➣Preoperational Support Date |
| POSD➣Personal Operating Systems Division (Microsoft) |
| POSD➣per oral solid dose (pharmaceuticals) |