| Acronym | Definition |
|---|
| RMB | Right Mouse Button |
| RMB | Rand Merchant Bank (South Africa) |
| RMB | Reserve Memory Bytes |
| RMB | Remote Management Board |
| RMB | Removable Media Bit |
| RMB | Royal Marine Band (UK) |
| RMB | Ren Min Bi (currency of People's Republic of China) |
| RMB | Regional Management Board (USACE) |
| RMB | Rubber Medicine Ball (sporting good) |
| RMB | Rolf Maier Bode (musician, band) |
| RMB | Rail Mounting Bracket |
| RMB | Raw Meaty Bone |
| RMB | Radiant Mixing Block (various companies) |
| RMB | Risk Management Board |
| RMB | Regional Management Boards (UK Office of the Deputy Prime Minister Fire Safety) |
| RMB | Remote Meter Bridge |
| RMB | Resource Model Builder (software; IBM) |
| RMB | Rural Mail Box (Canada Post Corporation) |
| RMB | Rocky Mountain Branch (NOLS Branch) |
| RMB | Reverse Make Busy (AT&T) |
| RMB | Records Management Bulletin |
| RMB | Roadside Mail Box/Bag (Australia Post) |
| RMB | Repairables Management Branch |
| RMB | Requirements Management Board |
| RMB | Radio Maryse Bastié (French radio station) |
| RMB | Remote Maintenance Board (Avaya) |
| RMB | Recreation and Morale Benefits |
| RMB | Royal Marine Battalion |
| RMB | Rails Miniatures de la Boucle (French model railroad club) |
| RMB | Relations Mutuellement Bénéfiques (French: Mutually Beneficial Relationship) |
| RMB | Rail Miniature Bragard (French model railroad club) |
| RMB | Radio Mulhouse Bienvenue (French Internet radio station) |