| Acronym | Definition |
|---|
| SRB | Solid Rocket Booster |
| SRB | Sociedade Rural Brasileira (Portuguese: Brazilian Rural Society) |
| SRB | SCSI Request Block |
| SRB | Service Request Block (MVS) |
| SRB | Sinai-Ruelle-Bowen (dynamical systems) |
| SRB | Source Routing Bridging |
| SRB | Sim Redmond Band (Ithaca, NY) |
| SRB | software release bulletin (US DoD) |
| SRB | Stream Request Block |
| SRB | Société des Régates de Brest (French: Regatta Society of Brest) |
| SRB | Scouts Royale Brotherhood (fraternity) |
| SRB | Special Rescue Battalion (Singapore Civil Defense Force) |
| SRB | Solicitation Review Board |
| SRB | Signalling Radio Bearer |
| SRB | Service Request Bit |
| SRB | Spatial Reference Beamforming |
| SRB | Sindh Revenue Board (Sindh, Pakistan) |
| SRB | Sports Réunis Belfortains (French: Sports Meeting Belfortain) |
| SRB | Stratégie Réunionnaise pour La Biodiversité (French: Reunion Strategy for Biodiversity) |
| SRB | System Release Bulletin |
| SRB | Spoiled Rotten Brat |
| SRB | Self Run Business |
| SRB | Stress Rated Board (lumber grade) |
| SRB | System Readiness Board |
| SRB | Submarine Reportback Processor |
| SRB | Segment Release Bulletin |
| SRB | Société des Régates de La Bernerie (French: Regatta Society of Bernerie) |
| SRB | Styrene Rubber Butadiene |
| SRB | Secretariat Review Board (US Navy) |
| SRB | State Reserve Board (China) |
| SRB | Staff Record Bureau (UK) |
| SRB | Smiling Really Big |
| SRB | Serbia |
| SRB | Storage Resource Broker (data-mining software) |
| SRB | Santa Rosa Beach (Florida) |
| SRB | School Refusal Behavior (school phobia) |
| SRB | system review board (JOPES) (US DoD) |
| SRB | Stabilized Rice Bran (health care product) |
| SRB | Steve Rogers Band |
| SRB | Sandals Royal Bahamian (resort) |
| SRB | Scarlet Runner Bean (plant) |
| SRB | Sulphate Reducing Bacteria |
| SRB | Surface Radiation Budget |
| SRB | Service Record Book |
| SRB | Safety Review Board |
| SRB | Selective Reenlistment Bonus |
| SRB | Single Regeneration Budget (grant for regeneration initiatives; UK) |
| SRB | Software Review Board |
| SRB | Source-Route Bridge |
| SRB | Senior Review Board (Canada) |
| SRB | Senior Resource Board (NATO) |
| SRB | Scoop Review of Books (New Zealand) |
| SRB | Sex Ratio at Birth |