| Acronym | Definition |
|---|
| TBR | Tennessee Board of Regents |
| TBR | To Be Returned |
| TBR | To Be Read |
| TBR | Teenage Bottle Rocket (band) |
| TBR | Teenage Bottlerocket (band) |
| TBR | To Be Released (domain names) |
| TBR | Technology Business Research |
| TBR | Traceability Based Reading |
| TBR | Transaction Billing Resources |
| TBR | to Be Reported |
| TBR | Timed Break Recall |
| TBR | Tape Bootstrap Routine |
| TBR | Tommy Baldwin Racing (Mooresville, NC) |
| TBR | To Be Reviewed |
| TBR | To Be Resolved |
| TBR | To Be Rescheduled (events) |
| TBR | Tampa Bay Rays (baseball team) |
| TBR | To Be Recorded |
| TBR | Travel Business Roundtable |
| TBR | The Back Room |
| TBR | Traditional Boat Race |
| TBR | To Be Revised |
| TBR | Technical Basis for Regulation |
| TBR | This Beautiful Republic (Christian band) |
| TBR | The Boiler Room (manga fan fiction website) |
| TBR | To Be Renamed (shipping) |
| TBR | Total Business Return |
| TBR | Tallahassee Board of Realtors |
| TBR | Torpedo Bomber Reconnaissance Aircraft (US Navy) |
| TBR | Taco Bell Run |
| TBR | The Bereavement Register (UK) |
| TBR | Theological Book Review |
| TBR | To Be Recommended |
| TBR | Texas Bound Radio (online station) |
| TBR | Trade Barrier Regulation |
| TBR | Texas Business Review |
| TBR | Treasury Bill Rate |
| TBR | True Born Records (record label) |
| TBR | Truncated Balanced Realization (model order reduction) |
| TBR | Truck & Bus Radial Tire |
| TBR | Time between Replacement (aviation) |
| TBR | Total-Body Radiation |
| TBR | The Blessed Resistance (Demon Hunter fan community) |
| TBR | The Brill Report |
| TBR | Tag Bit Rate (Cisco) |
| TBR | Tax Board of Review |
| TBR | Transport Block Reject |
| TBR | This Board Rocks (discussion forum) |
| TBR | Team Bellas Room (gaming clan) |
| TBR | The Broken Record |
| TBR | To Be Rescinded |
| TBR | Thin Bond Repair |
| TBR | Tactical Battlefield Reporting |
| TBR | Terminal Bonus Reserve (insurance) |
| TBR | Thorium Breeder Reactor |
| TBR | Tape Byte Read |
| TBR | Total Body Rot |
| TBR | Time Bearing Recorder |
| TBR | The Business Record |
| TBR | Statesboro, Georgia - Municipal (airport code) |
| TBR | The Burning Reel |
| TBR | Truth Box Reply (social media application) |