| CMSA | California Mission Studies Association 
| Others |
| CMSA | California Moving and Storage Association
| Others |
| CMSA | Canadian Mill Services Association
| Others |
| CMSA | Case Management Society of America
| Others |
| CMSA | Center for Medication Safety Advancement
| Others |
| CMSA | Center for Modeling Simulation and Analysis
| Others |
| CMSA | Center of Mathematical Sciences and Applications
| Others |
| CMSA | Central Marin Sanitation Agency
| Others |
| CMSA | Central Maryland Soccer Association
| Others |
| CMSA | Chain Makers' and Strikers' Association
| Others |
| CMSA | Chicago Math and Science Academy
| Others |
| CMSA | Chicago Metropolitan Sports Association
| Others |
| CMSA | City of Mobile Swim Association
| Others |
| CMSA | Classical Mandolin Society of America
| Others |
| CMSA | Colleges of Medicine of South Africa
| Others |
| CMSA | Combinatorial Mathematics Society of Australasia
| Others |
| CMSA | Commercial Mortgage Securities Association
| Others |
| CMSA | Community Managed Sustainable Agriculture
| Others |
| CMSA | Congressional Muslim Staffer Association
| Others |
| CMSA | Consolidated Metropolitan Statistical Area
| Others |
| CMSA | Consolidated Metropolitan Statistical Areas
| Others |
| CMSA | Contro Mode Specific Application
| Others |
| CMSA | Council for Minority Student Affairs
| Others |
| CMSA | Cowboy Mounted Shooting Association
| Others |