| Acronym | Definition |
|---|
| ADDM | Atrium Discovery and Dependency Mapping (software) |
| ADDM | Add Memory |
| ADDM | Automatic Database Diagnostic Monitor (Oracle Database 10g) |
| ADDM | A&D Data Management (Siemens MCIS suite) |
| ADDM | Asynchronous Digital Data Modem |
| ADDM | Adjustment Order with Depressed Mood (psychology) |
| ADDM | Assistant District Director for Management |
| ADDM | Asynchronous Distributed Decision Making |
| ADDM | Acquisition Document Development and Management (US Air Force) |
| ADDM | Asynchronous Digital Data Multiplexing |
| ADDM | Automated Documentation Development and Maintenance |