| Abbreviation | Definition |
|---|---|
| MQUP | McGill–Queen's University Press |
| MR | Multiclass Ranking |
| MRA | Madison Ridgeland Academy |
| MRA | medical research associate |
| MRAP | Mallakastra Regional Archaeological Project |
| MRAU | Member of the Royal Agricultural University |
| MRC | Mathematics Research Center |
| MRC | Medical Research Council |
| MRC | Middle Region Care |
| MRF | Multistate Research Fund |
| MRH | Men's Residence Hall |
| MRIC | Medical Research Institute Council |
| MRL | Materials Research Laboratory |
| MRP | Major Research Paper |
| MRSEC | Materials Research Science and Engineering Center |
| MRSI | Materials Research Society Of India |
| MRSL | Microwave Remote Sensing Laboratory |
| MRSP | Minority Research Scholars Program |
| MRT | Mass Rafflesian Transit |
| MRU | Manav Rachna University |