| Abbreviation | Definition |
|---|---|
| MCBA | Master Car Builders Association |
| MCBA | Michigan Competing Band Association |
| MCBA | Minority Cannabis Business Association |
| MCBA | Monroe County Bar Association |
| MCBA | Monumental City Bar Association |
| MCBA | Mutation Chinchilla Breeders Association |
| MCCA | Magic City Carnival Association |
| MCCA | Maine County Commissioners Association |
| MCCA | Major Cities Chiefs Association |
| MCCA | Marine Corps Cryptologic Association |
| MCCA | Marketing Communication Consultant Association |
| MCCA | Minnesota Cable Communications Association |
| MCCA | Minnesota Cheerleading Coaches Association |
| MCCA | Minnesota Child Care Association |
| MCCA | Minority Corporate Counsel Association |
| MCCA | Missouri Cheerleading Coaches Association |
| MCCA | Montgomery Child Care Association |
| MCDA | McLean County Dance Association |
| MCDA | Michigan Communication Directors Association |
| MCDA | Missouri Choral Directors Association |