MMSL
| Acronym | Definition |
|---|---|
| MMSL | Mining and Mineral Sciences Laboratories (CANMET) |
| MMSL | Manitoba Major Soccer League (Canada) |
| MMSL | Magic Mist Services Limited (Trinidad & Tobago, West Indies) |
| MMSL | Mobile and Media Systems Lab (Hewlett-Packard) |
| MMSL | Metropolitan Media Softball League (Washington, DC) |
| MMSL | Miniaturized Micro-Strip Line |
| MMSL | Major Medical Sick Leave (Fort Worth, TX) |