| Acronym | Definition |
|---|
| Asst | Assistant |
| Asst | Assist |
| Asst | Assorted |
| Asst | Association of Secondary School Teachers (various locations) |
| Asst | At-Speed Structural Test (circuits) |
| Asst | Académie Suisse des Sciences Techniques (French: Swiss Academy of Engineering Sciences) |
| Asst | Applied Scientific Services & Technology (Australia) |
| Asst | autologous serum skin test |
| Asst | Accademia Svizzera delle Scienze Tecniche (Italian: Swiss Academy of Engineering Sciences) |
| Asst | Arab School of Science and Technology |
| Asst | Atmospheric Simulation for Sensitivity Testing |
| Asst | Advanced Space Science and Technology (University of California, Santa Cruz program) |
| Asst | Advanced Sensor-Submunitions Technology |
| Asst | Antiship Surveillance & Targeting |