| Acronym | Definition |
|---|
| BTR | By the River (various organizations) |
| BTR | Big Time Rush (TV series) |
| BTR | Boston Terrier Rescue (various locations) |
| BTR | Biturbo Racer |
| BTR | Bus Timing Register |
| BTR | Bit Test and Reset |
| BTR | Born to Run (Bruce Springsteen song) |
| BTR | Blitzkrieg Team Russia (gaming) |
| BTR | Board of Technical Registration |
| BTR | Rupee (currency of Bhutan) |
| BTR | Back To Reality |
| BTR | Bureau of Tourism Research (Australia) |
| BTR | The Bridge to Recovery (health) |
| BTR | Broad Temperature Range |
| BTR | Bias Transfer Roller (printing) |
| BTR | Behind the Tape Reader |
| BTR | Bailed to Return (UK) |
| BTR | Big Tent Revival |
| BTR | Business Tax Reduction (Canada) |
| BTR | Born To Ride (motorcycling magazine) |
| BTR | British Tax Review (journal) |
| BTR | Batman the Ride (theme park ride) |
| BTR | Bear Trap Ranch (Colorado Springs, CO) |
| BTR | Ballasted Track Renewal (London Underground; London, UK) |
| BTR | Built To Rule! (Hasbro action building set/toy) |
| BTR | Biblio Tech Review (automation industry; Biblio Tech Limited; UK) |
| BTR | Business Travel Request |
| BTR | Bachelor Till the Rapture |
| BTR | Before The Rain (band; movie) |
| BTR | Bus Transfer |
| BTR | Below Threshold Reprogramming |
| BTR | Basic Training Record |
| BTR | Bronyetransporter (Soviet Class of Armored Vehicles) |
| BTR | Bit Transfer Rate |
| BTR | Bit Timing Recovery |
| BTR | Budget Transfer Request |
| BTR | Bet the Ranch |
| BTR | Bent Trail Riders (Dayton, OH) |
| BTR | Bio-Technical Repair (Hormeta) |
| BTR | Burn Time Remaining |
| BTR | Laissez les Bon Temps Rouler (French: Let the Good Times Roll; Mardi Gras/New Orleans) |
| BTR | Business & Technology Review |
| BTR | Budget Time Recorder (now Time Clock Depot; time clock sales; various locations) |
| BTR | Bit Test & Reset |
| BTR | Bearing Time Recorder |
| BTR | Boom Time Remaining (NASA) |
| BTR | Basic Training Requirement(s) |
| BTR | Basic Theoretical Research |
| BTR | Baton Rouge, LA, USA - Ryan (Airport Code) |
| BTR | Broadcast and Television Receiver(s) |
| BTR | Block Tape Recorder |
| BTR | Below Top of Rail |
| BTR | Base Target Range |
| BTR | Ballast Tube Resistor |
| BTR | Backfit Technical Review |
| BTR | Business Talent Review (employee performance evaluation system) |
| BTR | Base Time Record |
| BTR | Branch Technical Review |
| BTR | Bladder Tumor Resection |
| BTR | Banded Target Response |