| 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 |