| Acronym | Definition |
|---|
| MESL | Master Scenario Events List (various organizations) |
| MESL | Museum Educational Site Licensing |
| MESL | Milestone Engineering Services Ltd. (Canada) |
| MESL | Museum of Eastern Shore Life (Centreville, MD) |
| MESL | McLaren Electronic Systems Ltd. (UK) |
| MESL | Mission Essential Subsystem List |
| MESL | Men's Evangelical Softball League |
| MESL | Microwave & Electronic Systems Ltd. (UK) |
| MESL | Mission Event Synchronization List |
| MESL | Minimum Equipment Serviceability List |
| MESL | Mead Engineering Services Limited (UK) |
| MESL | Minimum Expected System Load |
| MESL | Manpower English as a Second Language (education) |