| MCIM | MacNeal Center for Internal Medicine 
| Others |
| MCIM | Maharashtra Council of Indian Medicine
| Others |
| MCIM | Mass Casualty Incident Management
| Others |
| MCIM | Medicare Coverage Information Management
| Others |
| MCIM | Member Chartered Institute of Management
| Others |
| MCIM | Member of the Chartered Institute of Marketing
| Others |
| MCIM | Michigan Commercial Insurance Mutual
| Others |
| MCIM | Minnesota Center for Industrial Mathematics
| Others |
| MCIM | Mission Critical Information Management
| Others |
| MCIM | Modified Carbapenem Inactivation Method
| Others |