| Acronym | Definition |
|---|
| ASTR➣American Society for Theatre Research (established in 1956) |
| ASTR➣Accelerated Stress Testing and Reliability (IEEE) |
| ASTR➣Aquifer Storage Transfer and Recovery (Australia) |
| ASTR➣Aerospace Systems Test Reactor |
| ASTR➣Aircraft Shield Test Reactor |
| ASTR➣Army Specialized Training Reserve |
| ASTR➣Automatic Spectral Target Recognition |