PSTT
| Acronym | Definition |
|---|---|
| PSTT | Placental site trophoblastic tumor |
| PSTT | Practical Software Testing Techniques |
| PSTT | Pulse Single Target Track |
| PSTT | Provincial Sanitation Task Team (South Africa) |
| PSTT | Pharmaceutical Science & Technology Today (UK) |
| PSTT | Program-Specific Transfer Training (child welfare; Michigan) |