| Abbreviation | Definition |
|---|---|
| MTO | Music Theory Online |
| MTP | Masters Training Package |
| MTS | Math, Technology, and Science |
| MTS | Medium Technical School |
| MTS | Ministerial Training School |
| MTSA | Middle Tennessee School of Anesthesia |
| MTSO | Methodist Theological School in Ohio |
| MTSU | Middle Tennessee State University |
| MTU | Michigan Technological University |
| MTUN | Malaysian Technical University Network |
| MU | Macquarie University |
| MU | Magadh University |
| MU | Mangalore University |
| MU | Marmara University |
| MU | Marquette University |
| MU | Marshall University |
| MU | Marymount University |
| MU | Matsumoto University |
| MU | Memorial Union |
| MU | Methedrine University |