| Abbreviation | Definition |
|---|---|
| MRF | Macintosh Resource Format |
| MRGP | Multiple Regression Genetic Programming |
| MRJ | Macintosh Runtime For Java |
| MRK | Major Resource Kit |
| MRO | Method Resolution Order |
| MRP | A Management Requirements Plan |
| MRP | Manufacturing Requirement Planning |
| MRP | Materials And Resource Planning |
| MRPT | Mobile Robot Programming Toolkit |
| MRSD | Mathematically Rigorous Software Development |
| MRSL | MDS Resource Specification Language |
| MRT | Microsoft Removal Tool |
| MRTG | Multi Router Traphic Grapher |
| MRTS | MRTG RRDtool Total Statistics |
| MRU | Minimum Revisable Unit |
| MS | Matys Scripts |
| MS | Microcomputer Software |
| MSA | Message Submission Agent |
| MsA | Microsoft Acces |
| MSAA | Microsoft Active Accessibility API (Application Programming Interface) |