BAIS
| Acronym | Definition |
|---|---|
| BAIS | Baird's Sparrow (bird species) |
| BAIS | Battlefield Anti-Intrusion System |
| BAIS | Bell Atlantic Internet Solutions |
| BAIS | Backward Alarm Indication Signal |
| BAIS | Blind Adaptive Interference Suppression |
| BAIS | Battlefield Automation Interoperability System |
| BAIS | Battlefield Airborne Instrumentation System |