| Acronym | Definition |
|---|
| DSSP | Data Secure for Spazio |
| DSSP | Developer and Solution Partner Program |
| DSSP | Decision Support Solution Provider |
| DSSP | Directory Services Setup Remote Protocol |
| DSSP | Division of Solid State Physics |
| DSSP | Digital Solid State Propulsion (Reno, NV) |
| DSSP | Deep Submergence Systems Project (NAVSEA) |
| DSSP | Département des Sciences de la Santé Publique (French: Department of Public Health Sciences; Belgium) |
| DSSP | Deferred Salary Savings Plan |
| DSSP | Distributed Site State Protocol (Alteon) |
| DSSP | Digital Speech and Audio Processing |
| DSSP | Direction de la Solidarité et de la Santé Publique (French) |
| DSSP | Direct Supply Support Point |
| DSSP | Defense Standardization & Specification Program |
| DSSP | Depot Support Supply Plan |
| DSSP | Developmental Study Skills Program |