- ADSI stands for Active Directory Services Interface (Microsoft)
- ADSI stands for Air Defense Systems Integrator
- ADSI stands for Analog Display Service Interface (Bellcore)
- ADSI stands for Abu Dhabi Systems Integration (Abu Dhabi, UAE)
- ADSI stands for Advanced Distributed System Interface
- AdSi stands for Administrative Simplification (HIPAA)
- ADSI stands for Ambulatory Data System Interface (CHCS)
- ADSI stands for Administrative Design Service Information (Sprint)
ADSI