| MCDA | Maine Career Development Association 
| Others |
| MCDA | Maryland Career Development Association
| Others |
| MCDA | McLean County Dance Association
| Others |
| MCDA | Medina Centre For Dance Art
| Others |
| MCDA | Mehari Cote D'Azur
| Others |
| MCDA | Michigan Cannabis Development Association
| Others |
| MCDA | Michigan Communication Directors Association
| Others |
| MCDA | Michigan Community Development Association
| Others |
| MCDA | Micro Channel Developer's Association
| Others |
| MCDA | Military and Civil Defense Assets
| Others |
| MCDA | Milwaukee County Department on Aging
| Others |
| MCDA | Minnesota Career Development Association
| Others |
| MCDA | Missouri Choral Directors Association
| Others |
| MCDA | Mountain Contemporary Dance Arts
| Others |
| MCDA | Multi Criteria Decision Analysis
| Others |
| MCDA | Multi-Criteria Decision Analysis
| Others |
| MCDA | Multiple criteria decision analysis
| Others |
| MCDA | Multiple-Criteria Decision Analysis
| Others |
| MCDA | Multnomah County District Attorney
| Others |