- AAIS stands for Association of Insurance Services (national insurance advisory organization)
- AAIS stands for American Association of Insurance Services
- AAIS stands for Athletic Association for Independent Schools (New York)
- AAIS stands for Advanced Airborne Interceptor Simulator
- AAIS stands for ACE ACCIS Implementation Strategy (NATO)
- AAIS stands for America Association of Italian Studies
- AAIS stands for Acoustic Automated Information System
- AAIS stands for Administration Automated Information System
- AAIS stands for Air to Air Interface Support
- AAIS stands for Approach Aid Interface Unit (aviation)
AAIS