| Abbreviation | Definition |
|---|---|
| MORG | Miami Occupational Research Group |
| MORG | Multiphasic Operations Research Group |
| MORPH | Methods of Research Practice in Horticulture |
| MORS | Military Operations Research Society |
| MORTI | Methodist Online Research Technology Initiative |
| MOTM | Man On The Moon |
| MPD | Myeloproliferative disorders |
| MPN | Myeloproliferative neoplasms |
| MPR | Mathematica Policy Research |
| MPRG | Macular Pigment Research Group |
| MPRG | Maghreb Petroleum Research Group |
| MPRG | Max Planck Research Group |
| MPRG | Max Planck Research Groups |
| MPRG | Medieval Pottery Research Group |
| MPRI | Mining Policy Research Initiative |
| MPRS | Merriam Powell Research Station |
| MPSR | Master of Professional Studies Research |
| MQMR | Mortgage Quality Management Research |
| MR | Market Research |
| MRA | Melanoma Research Alliance |