| Abbreviation | Definition |
|---|---|
| ASET | Advocates For Safe And Efficient Transportation |
| ASET | Asetadvocates For Safe And Efficient Transportation |
| ASET | Available Safe Egress Time |
| ASF | Audi Space Frame |
| ASFiNAG | Autobahnen- und Schnellstraßen-Finanzierungs-Aktiengesellschaft (not an acronym) |
| ASG | Automatic Shifting Gear |
| ASI | Aircraft Security International |
| ASIA | Aviation Security Improvement Act |
| ASLAR | Aircraft Surge Launch and Recovery |
| ASLV | Atomic Satellite Launch Vehicle |
| ASLV | Augmented Satellite Launch Vehicle |
| ASM | Active Stability Management |
| ASM | Air Space Monitoring |
| ASM | Available Seat Mile |
| ASN | Advanced Shipping Notice |
| ASN | Advanced Shipping Notification |
| ASN | Airport Support Network |
| ASOS | Automated Surface Observation System |
| ASP | Arrival Sequencing Program |
| ASP | Average Selling Price |