| Abbreviation | Definition |
|---|---|
| MSSV | Murano Street Student Village |
| MSTAR | Medical Student Training in Aging Reseach |
| MSWB | Medway Schools Wind Band |
| MSWD | Madrid Student Welcome Day |
| MSYF | Mulnivasi Student Youth Front |
| MUBS | Monash Union of Berwick Students |
| MUFASA | Montclair Unified Filipino American Student Association |
| MUPS | Memorial University Pharmacy Students |
| MUSA | Massey University Student Association |
| MUSP | Marianist Urban Students Program |
| MUSS | Malaysian United Sikh Students |
| MUST | Mentoring Urban Students Teens |
| MVS | Most Valuable Student |
| MVSA | Meharry Vanderbilt Student Alliance |
| MYLF | Mitchell Youth Leadership Forum |
| NABS | National Association of Blind Students |
| NAFSA | National Association for Foreign Student Advisers |
| NAHBS | Native American Hispanic Business Students |
| NALSA | Native American Law Student Association |
| NALSA | Native American Law Students Association |