| Abbreviation | Definition |
|---|---|
| RMAS | Remote Memory Administration System |
| RMAS | Retail Market Application Suite |
| RMAS | Royal Maritime Auxiliary Service |
| RMB | Ready Made Blouse |
| RMB | Red Mud Buds |
| RMB | Ren Min Bi |
| RMB | Retrofit Mounting Brackets |
| RMB | Reuse of Modernist Buildings |
| RMB | Right Main Bronchus |
| RMB | Right Mainstem Bronchus |
| RMB | Ring My Bell |
| RMB | Rocky Mountain Books |
| RMB | Rolf Maier Bode |
| RMB | Royal Marine Band |
| RMB | Rural Mail Box |
| RMBCH | Rocky Mountain Back Country Horsemen |
| RMBI | Risk Management and Business Intelligence |
| RMBI | Royal Masonic Benevolent Institution |
| RMBM | Rank Maximal B Matching |
| RMBM | Reconfigurable Multiple Bus Machine |