| MRL | mud resistivity log | 泥浆电阻率测井 |
| MRL | Main Rotor Linkage (Helicopter) | 主旋翼连杆(直升机) |
| MRL | Magic Ruler (Yu-Gi-Oh cards) | 魔杖(Yu Gi Oh牌) |
| MRL | Maxwell Rotors Limited | 麦克斯韦转子有限公司 |
| MRL | Maritime Rear Link | 海上后方链路 |
| MRL | Murphy Roths Large (mouse strain) | Murphy Roths大型(小鼠品系) |
| MRL | Music Reproduction Licence | 音乐复制许可证 |
| MRL | Mean Residual Life | 平均剩余寿命 |
| MRL | Media Resource Library | 媒体资源库 |
| MRL | Marine Drilling Company, Inc. | 海洋钻井公司。 |
| MRL | Miners Lake, Queensland, Australia | 澳大利亚昆士兰州Miners Lake |
| MRL | Maintenance Requirement(s) List | 维护要求列表 |
| MRL | medical record library | 病历库 |
| MRL | Maximum Residue Level | 最大残留量 |
| MRL | Montana RailLink Incorporated | 蒙大拿铁路公司 |
| MRL | Manual Retention Latch | 手动固定闩锁 |
| MRL | Multiplerocket Launcher | 多路插孔发射器 |
| MRL | Morrisson-Reeves Library | 莫里森·里夫斯图书馆 |
| MRL | Minimum Risk Level | 最低风险等级 |
| MRL | Machineroom Less Elevator | 无机房电梯 |
| MRL | Merck Research Laboratories | 默克研究实验室 |
| MRL | Materials Research Laboratory | 材料研究实验室 |
| MRL | Mobile Radiation Laboratory | 移动辐射实验室 |
| MRL | Maximum Performance Achievable Reducing Latency | 可实现的最大性能减少延迟 |
| MRL | Montana Rail Link (railroad) | 蒙大拿州铁路线(铁路) |
| MRL | Motueka River Lodge (New Zealand Luxury Accommodation) | Motueka River Lodge(新西兰豪华住宿) |
| MRL | Microprocessor Research Lab (Intel) | 微处理器研究实验室(Intel) |
| MRL | Mobile Rocket Launcher | 移动火箭发射器 |
| MRL | Machine Room-Less (elevator) | 无机房(电梯) |
| MRL | Medical Resource LLC | 医疗资源有限责任公司 |
| MRL | Manufacturing Readiness Level | 制造准备水平 |
| MRL | Mullard Research Laboratory (Leeds University) | Mullard研究实验室(利兹大学) |
| MRL | Minimal Risk Level | 最低风险等级 |
| MRL | Missile Rail Launcher (AMRAAM) | 导弹轨道发射器(AMRAAM) |
| MRL | Master Requirements List | 主需求列表 |
| MRL | Materiel Requirements List | 物资需求清单 |
| MRL | Maximum Residue Limit | 最大残留限量 |
| MRL | Multiple Rocket Launcher | 多管火箭发射器 |
| MRL | Media Resource Locator | 媒体资源定位器 |