| M/LR | Maintenance Loop Recorder 
| Others |
| MLR | Macmillan Library Reference
| Others |
| MLR | Maggiolino Langhe e Roero
| Others |
| MLR | Main Line of Resistance
| Others |
| MLR | Main Logistic Road
| Others |
| MLR | Maintenance Light Repair
| Others |
| MLR | Major League Rugby
| Others |
| MLR | Man Love Romance
| Others |
| MLR | Management Level Review
| Others |
| MLR | Manuals Logs and Records
| Others |
| MLR | Master Lock Resettable
| Others |
| MLR | Matantei Loki Ragnarok
| Others |
| MLR | McNeil Lehrer Report
| Others |
| MLR | MDM (Manipulator Deployment Mechanism) Launch Right
| Others |
| MLR | Media Literacy Review
| Others |
| MLR | Medical Loss Ratio
| Others |
| MLR | Message Log Report
| Others |
| MLR | Messianic Liturgical Resources
| Others |
| MLR | Metro light rail
| Others |
| MLR | Middle Latency Response
| Others |
| MLR | Mil Line Reticle
| Others |
| MLR | Minimum Lending Rate
| Others |
| MLR | Ministry of Land and Resources
| Others |
| MLR | Mitsubishi Lancer Register
| Others |
| MLR | Mixed Lymphocyte Reaction
| Others |
| MLR | Mixed Lymphocyte Response
| Others |
| MLR | Mobile Lightning Rig
| Others |
| MLR | Money Laundering Regulation
| Others |
| MLR | Money Laundering Regulations
| Others |
| MLR | Monodisperse Latex Reactor
| Others |
| MLR | Monthly Labor Review
| Others |
| MLR | Monthly Line Rent
| Others |
| MLR | Move and Lose Record
| Others |
| MLR | Mullapudi Lokeswara Rao
| Others |
| MLR | Multi Lane Road
| Others |
| MLR | Multi Lane Roundabout
| Others |
| MLR | Multi Layer Routing
| Others |
| MLR | Multi- Lens Reflex camera
| Others |
| MLR | Multichannel Linear Recording
| Others |
| MLR | Multiple Linear Regression
| Others |