| Acronym | Definition |
|---|
| MCIG➣Minecraft Instagram (gaming) |
| MCIG➣Macquarie Communications Infrastructure Group (Australia) |
| MCIG➣Moranbah Cumulative Impact Group (est. 2010; Australia) |
| MCIG➣Matrex Capital Investment Group (Egypt) |
| MCIG➣Maine Coon Interest Group (South Africa) |
| MCIG➣Middleport Community Input Group (Middleport, NY) |
| MCIG➣Multidisciplinary Care Interest Group (University of North Carolina at Chapel Hill School of Medicine) |
| MCIG➣Microengineering Common Interest Group (various locations) |
| MCIG➣Monumental Credit Insurance Group (Aegon; Netherlands) |
| MCIG➣Minimum Concentration that Inhibits Growth |