| Acronym | Definition |
|---|
| MRL➣Magic Ruler (Yu-Gi-Oh cards) |
| MRL➣Maximum Residue Limit |
| MRL➣Mineral Resources Limited (Australia) |
| MRL➣Montana Rail Link (railroad) |
| MRL➣Minimal Risk Level |
| MRL➣Memory Read Line |
| MRL➣Microprocessor Research Lab |
| MRL➣Manual Retention Latch |
| MRL➣Method Reporting Limit (laboratory measurement) |
| MRL➣Materials Research Laboratory |
| MRL➣Missouri Right to Life (est. 1974) |
| MRL➣Machine Room-Less (elevator) |
| MRL➣Mobile Rocket Launcher |
| MRL➣Merck Research Laboratories |
| MRL➣Multiple Rocket Launcher |
| MRL➣Morphologically Rich Language (computer programming) |
| MRL➣Manufacturing Readiness Level |
| MRL➣Murphy Roths Large (mouse strain) |
| MRL➣Media Resource Locator |
| MRL➣Microprocessor Research Lab (Intel) |
| MRL➣Mean Residual Life |
| MRL➣Monster Raving Loony (political party; UK) |
| MRL➣Maintenance Requirement(s) List |
| MRL➣Maximum Reservoir Level (irrigation) |
| MRL➣Marine Resources Library (Charleston, SC) |
| MRL➣Marzano Research Laboratory (Solution Tree) |
| MRL➣Magnetic Reference Laboratory (San Jose, CA; est. 1972) |
| MRL➣Manipulator Retention Latch (US NASA) |
| MRL➣Music Reproduction Licence |
| MRL➣McLane Research Laboratories (est. 1983; East Falmouth, MA) |
| MRL➣Mississippi River Levee |
| MRL➣Materiel Requirements List |
| MRL➣Maritime Rear Link |
| MRL➣Medical Resource LLC |
| MRL➣Master Requirements List |
| MRL➣Mobile Radiation Laboratory |
| MRL➣Missile Rail Launcher (AMRAAM) |
| MRL➣Maximum Performance Achievable Reducing Latency |
| MRL➣Main Rotor Linkage (Helicopter) |
| MRL➣Maxwell Rotors Limited |
| MRL➣Mullard Research Laboratory (Leeds University) |
| MRL➣Modified Reporting Limit (laboratory quality assurance) |
| MRL➣Motueka River Lodge (New Zealand Luxury Accommodation) |