| Abbreviation | Definition |
|---|---|
| MFCS | International Symposium on Mathematical Foundations of Computer Science |
| MFIC | Media Finance and Investor Conference |
| MFORUM | IEEE (Institute of Electrical and Electronics Engineers) Microprocessor FORUM |
| MFWS | Modest Fashion and Womenpreneur Summit |
| MGBC | McGill Graduate Business Conference |
| MGC | Mennonite General Conference |
| MGDS | Midwest Game Developers Summit |
| MGLC | Minority Greek Leadership Conference |
| MGLF | Microsoft Government Leader's Forum |
| MGLS | Marine Geoscience Leadership Symposium |
| MGS | Mobile Growth Summit |
| MHAC | Mental Health Addiction Conference |
| MHC | Mental Health Conference |
| MHS | International Symposium on Micro-machine and Human Science |
| MIAC | Minnesota Intercollegiate Athletic Conference |
| MIAMI | Miami Technicon |
| MIBC | Minnesota Iowa Baptist Conference |
| MICB | Meridian Integrated Conference Bridge |
| MICC | Manchester International Conference Centre |
| MICE | Meeting Incentive Conference And Exhibition |