| Abbreviation | Definition |
|---|---|
| MCSA | Muslim cultural Students Association |
| MCSC | Mosaic Center for Students of Color |
| MCSEP | Multi Core Students Experimental Processor |
| MCSS | MacDonald Campus Students Society |
| MCSS | The Macdonald Campus Students Soci |
| MCST | Math Circles for Students and Teachers |
| MDSF | Montessori De Sagrada Familia |
| MEDS | Medical Education for Diverse Students |
| MEGS | Maryland Educators of Gifted Students |
| MELSA | Middle Eastern Law Student Association |
| MELSA | Middle Eastern Law Students Association |
| MESPI | Middle East Studies Pedagogy Initiative |
| MESS | Markville Environmental Staff and Students |
| MESSA | Middle Eastern Studies Students' Association |
| MESSI | Middle East Studies Student Initiative |
| MESW | Managing Editor of Student Works |
| MFIS | Madison Friends of International Students |
| MFSU | Medical Faculty Students Union |
| MGSC | Math Graduate Student Colloquium |
| MGSC | Meadows Graduate Student Council |