| Acronym | Definition |
|---|
| PDAS➣Principal Deputy Assistant Secretary (government position) |
| PDAS➣Professional Development and Appraisal System |
| PDAS➣Public Domain Aeronautical Software |
| PDAS➣Plant Data Acquisition System |
| PDAS➣PCS Data Access Service (Telcordia) |
| PDAS➣Personnel Data Access System |