| Abbreviation | Definition |
|---|---|
| MANSA | Manchester Short Assessment of Quality of Life |
| MARC | Maximizing Access to Research Careers |
| MARC | Mindful Awareness Research Center |
| MARCS | Macarthur Auditory Research Centre Sydney |
| MARE | Marine Applied Research Exploration |
| MARE | Marine Awareness Research And Education |
| MARG | Management Accounting Research Group |
| MARI | Mandala Assesment Research Instrument |
| MARI | Mandala Assessment and Research Institute |
| MARI | Mandala Assessment Research Instrument |
| MARI | Middle American Research Institute |
| MARINE | Monterey Area Research Institutions Network for Education |
| MARL | Materials Analysis and Research Laboratory |
| MARL | Music and Audio Research Laboratory |
| MARR | Merger and Acquisition Research Report |
| MARS | Monterey Accelerated Research System |
| MARSH | Music Art Research Science and Hops |
| MARTC | Manitoba Aerospace Research and Technology Consortium |
| MARTC | MESNAC American Research Technical Center |
| MARVIN | Mars Analogue Research Versatile Information Network |