OSTD
| Acronym | Definition |
|---|---|
| OSTD | Oberstudiendirektor |
| OSTD | Ontario Society for Training and Development (Canada) |
| OSTD | Open Source Translation Database (software) |
| OSTD | Ordnance Standards |
| OSTD | Ordnance Standard |
| OSTD | Operational State Transition Description |
| OSTD | Order Ship Time Days |