| Acronym | Definition |
|---|
| MCRG➣Masonry Conservation Research Group (Aberdeen, UK) |
| MCRG➣Muslim Community Reference Group |
| MCRG➣Medical Cost Reference Guide (Blue Cross and Blue Shield Association) |
| MCRG➣Monte Carlo Renormalization Group |
| MCRG➣Medicinal Chemistry Research Group (Institut Pasteur Korea; South Korea) |
| MCRG➣Mediated Change and Resolutions Group |