| MACRO | Malawi AIDS Counseling and Resource Organization 
| Others |
| MACRO | Mediation And Conflict Resolution Office
| Others |
| MACRO | Merge and Correlate Recorded Output (Program)
| Others |
| MACRO | Messy And Confusing Repeated Operation
| Others |
| MACRO | Mindfulness Authenticity Courage Resilience and Openness
| Others |
| MACRO | Monopole Astrophysics and Cosmic Ray Observatory
| Others |
| MACRO | Motion And Control Ring Optical
| Others |
| MACRO | Multiline Aggregated and Combined Risk Optimization
| Others |