CASSR
| Acronym | Definition |
|---|---|
| CASSR | Center for Advanced Social Science Research |
| CASSR | Centro di Alti Studi in Scienze Religiose (Italian: Center for Advanced Studies in Religious Science, Italy) |
| CASSR | Centre for Acid Sulfate Soil Research |
| CASSR | Californians for Statewide Smoking Restrictions |
| CASSR | Crimean Autonomous Soviet Socialist Republic |
| CASSR | Council with Adult Social Services Responsibility (UK) |
| CASSR | Corporate and Shared Services Reform |
| CASSR | Cigars, Age Started Smoking Regularly |