| Abbreviation | Definition |
|---|---|
| MUPC | Minnesota Undergraduate Psychology Conference |
| MUPC | Missouri Undergraduate Psychology Conference |
| MVCL | Mondo Visione Conferences Ltd |
| MVFC | Missouri Valley Football Conference |
| MWAC | Mid-West Athletic Conference |
| MWC | Mobile World Congress |
| MWRC | Mid West Regional Conference |
| MWSCAS | MidWest Symposium on Circuits And Systems |
| MWSYM | IEEE MTT-S (Microwave Theory and Techniques Society) International MicroWave SYMposium |
| MWW | Midwest Writers Workshop |
| MYC | Mid Year Conference |
| MYC | Multicultural Youth Conference |
| MYLC | Mid Year Leadership Conference |
| MYLC | Mississauga Youth Leadership Conference |
| NAAC | North American Anglican Conference |
| NABC | North American Baptist Conference |
| NABC | North American Bengali Conference |
| NAC | North Atlantic Conference |
| NAC | Northern Athletics Conference |
| NACA | National Association of Conference Activities |