| Abbreviation | Definition |
|---|---|
| RMMS | Rocky Mountain Map Society |
| RMMS | Rocky Mountain Measurement Society |
| RMOS | Rocky Mountain Oncology Society |
| RMRS | Rocky Mountain Rail Society |
| RMS | >AA89A:>5 8=5@0;>38G5A:>5 1I5AB2> |
| RMS | ?????????? ???????????????? ???????? |
| RMS | Rossijskoe Mineralogi eskoe Ob]estvo |
| RMS | Rossijskoe Mineralogiceskoe Obsestvo |
| RMS | Rossijskoe Mineralogieskoe Obestvo |
| RMS | Royal Meteorological Society |
| RMS | Royal Microscopical Society |
| RMS | Russian Mineralogical Society |
| RMSH | Rock and Mineral Society of Hawaii |
| RMSO | Rocky Mountain Society of Orthodontists |
| RMSS | Ridge Meadows Seniors Society |
| RNAS | Royal Northern Agricultural Society |
| RNCTS | Ruislip and Northwood Canine Training Society |
| RNS | Numismatic Society |
| ROCS | RMIT Occasional Choral Society |
| RONAST | Royal Nepal Academy of Science and Technology |