| Acronym | Definition |
|---|
| RBB | Rundfunk Berlin-Brandenburg (TV channel) |
| RBB | Rapid Bios Boot |
| RBB | Results Based Budgeting |
| RBB | Right Bundle Branch |
| RBB | Right Bank Babies (Los Angeles, CA) |
| RBB | Red and Black Block |
| RBB | Residential Broadband |
| RBB | Rebirth Brass Band |
| RBB | Reverse Body Bias (electronics) |
| RBB | Reuters Business Briefing (Reuters online information service) |
| RBB | Rainy Blue Bell (Japanese rap group) |
| RBB | Ryerson Business Building |
| RBB | Reality Bites Back (fan forums) |
| RBB | Racing Blondel Bollène (French soccer club) |
| RBB | Resin Bonded Bridge (dental) |
| RBB | Rome Blue Basic (gaming) |
| RBB | Random Bits Bin (File) |
| RBB | Rouer, Bernard, Bretout (French accounting firm) |
| RBB | Rune Bolstered Belt (gaming) |
| RBB | Random Bladder Biopsy |
| RBB | Right Breast Biopsy |
| RBB | Retail Banking Boutique (India) |
| RBB | Reality Bulletin Board |
| RBB | Ridyard, Bishop and Baker (economic consulting firm) |