| RSB | R Service Bus 
| Others |
| RSB | Racing Seat Belt
| Others |
| RSB | Racing System Builder
| Others |
| RSB | Railway Shop Battalion
| Others |
| RSB | Random Super Battle
| Others |
| RSB | Rapid Spaceback
| Others |
| RSB | Really Simple Blogging
| Others |
| RSB | Rear Seat Back
| Others |
| RSB | Rear Seat Belt
| Others |
| RSB | Rear Spring Bush
| Others |
| RSB | Rear Step Bumper
| Others |
| RSB | Rear Sway Bar
| Others |
| RSB | Recalls and Shortages Branch (CDER)
| Others |
| RSB | Recognised Supervisory Body
| Others |
| RSB | Red Storm Bitmap
| Others |
| RSB | Register State Block
| Others |
| RSB | Regulator Of Sigma B
| Others |
| RSB | Regulatory Scrutiny Board
| Others |
| RSB | Rehabilitation Services For the Blind
| Others |
| RSB | Related Societies Board
| Others |
| RSB | Reno Sharon Blomquist
| Others |
| RSB | Repair Service Bureau
| Others |
| RSB | Reporting Services Branch
| Others |
| RSB | Research Services Branch
| Others |
| RSB | Reservation State Block
| Others |
| RSB | Restoration Study Bible
| Others |
| RSB | Retractable Seat Belt
| Others |
| RSB | Revisor of Statutes Bureau
| Others |
| RSB | Right Sternal Border
| Others |
| RSB | Road Safety Barrier
| Others |
| RSB | Road Safety Bill
| Others |
| RSB | Road Safety Billboards
| Others |
| RSB | Road Safety Board
| Others |
| RSB | Robert S. Baclawski Architects and Urban Planners
| Others |
| RSB | Robotics Service Bus
| Others |
| RSB | Rochester Subway
| Others |
| RSB | Rock Steady Boxing
| Others |
| RSB | Roll Side Bar
| Others |
| RSB | Rosario S. Bernaldo, founder R. S. Bernaldo & Associates
| Others |
| RSB | Roseberth, Queensland, Australia
| Others |
| RSB | Roundtable on Sustainable Biofuels
| Others |
| RSB | Roundtable on Sustainable Biomaterials
| Others |
| RSB | Royal Society for the Blind
| Others |
| RSB | Royal Society of Biology
| Others |
| RSB | Ruel Santos Bayani
| Others |
| RSB | Rwanda Standards Board
| Others |