| Acronym | Definition |
|---|
| PSAT | Preliminary Scholastic Aptitude Test |
| PSAT | Preliminary Scholastic Assessment Test (aka Preliminary Scholastic Aptitude Test) |
| PSAT | Puget Sound Action Team |
| PSAT | Powertrain System Analysis Toolkit (simulation software; Argonne National Laboratory; Illinois; US Department of Energy) |
| PSAT | Pacific Situation Assessment Team (US DoD) |
| PSAT | Public Safety Assist Trust |
| PSAT | Public Safety Assistance Trust, Inc. (Ocala, FL) |
| PSAT | Particulate Source Apportionment Technology |
| PSAT | Predicted Site Acquisition Table |
| PSAT | Princeton South Asian Theatrics |
| PSAT | Perimeter Security Anti-Terrorism (US NSA) |
| PSAT | Protective and Security Operations on Australian Territory |