| Acronym | Meaning |
| SBR | Saturable Bragg Reflector |
| SBR | Selection Board Results |
| SBR | Short Barrel Rifle |
| SBR | Small Business and Revenue (Canada) |
| SBR | Small Business Reserve Program (Maryland) |
| SBR | Space-Based Radar |
| SBR | Special Boat Squadron (US Navy designation) |
| SBR | Standard Business Reporting |
| SBR | Statement of Budgetary Resources (US DoD) |
| SBR | Strategic Bombing Raid |