| Acronym | Definition |
|---|
| ASTN➣Automatic Switched Transport Network |
| ASTN➣Automatic Switched Transport Network (optical networks) |
| ASTN➣Automatically Switched Transport Network (ITU-T) |
| ASTN➣Astern |
| ASTN➣Automotive Satellite Television Network |
| ASTN➣Astronomic |
| ASTN➣Alternate Signaling Transport Network (AT&T) |
| ASTN➣Association of Secretary-Treasurers of Nunavik (Quebec, Canada) |