| Acronym | Definition |
|---|
| MRLS | Mazda Raceway Laguna Seca |
| MRLS | Mare Reproductive Loss Syndrome |
| MRLS | Missouri River Levee System |
| MRLS | Mazda Raceway Laguna Seca (Salinas, CA) |
| MRLS | Mini Raman LIDAR System |
| MRLS | Multiple Rocket Launching System |
| MRLS | Michigan Regional Lily Society (North American Lily Society; Orchard Lake, MI) |
| MRLS | Motorized Rocket Launching System |
| MRLS | Manufacturer's Recommended List of Spares (India) |
