| CMCB | Carpenter's Mate (construction Battalion) 
| Others |
| CMCB | Caterina Maria Carla Bona
| Others |
| CMCB | Center for Mathematical and Computational Biology
| Others |
| CMCB | Center for Mathematical Computational Biology
| Others |
| CMCB | Center for Molecular and Cellular Bioengineering
| Others |
| CMCB | Centre for Mechanochemical Cell Biology
| Others |
| CMCB | Centre for Microbial Chemical Biology
| Others |
| CMCB | Civil-Military Coordination Board
| Others |
| CMCB | Classic Motor Club del Bages
| Others |
| CMCB | Claude Moore Community Builders
| Others |
| CMCB | Cleobury Mortimer Concert Brass
| Others |
| CMCB | Community Music Center of Boston
| Others |