| Acronym | Definition |
|---|
| MTMS | Mary Tyler Moore Show (TV show) |
| MTMS | Medication Therapy Management Services |
| MTMS | Methyltrimethoxysilane |
| MTMS | Miami Trace Middle School (Ohio) |
| MTMS | Munitions Transportation Management System (USTRANSCOM) |
| MTMS | Mathematics Teaching in Middle School |
| MTMS | Mountain Trail Middle School (Phoenix, AZ) |
| MTMS | Maritime Tactical Message System |
| MTMS | Multi-Tier Management System |
| MTMS | Multi Sensor Multi Target |
| MTMS | Manheim Township Middle School (Lancaster, PA) |
| MTMS | Maria Therese Montessori School |
| MTMS | Mobile Terminated Mobile Station |