BRT
- BA Connect
- BRT Laboratories
- BRT Sunway Line
- Bangkok BRT
- Bathurst Island Airport
- Bayrak
- Belgische Radio- en Televisieomroep
- Big Round Top
- Bitare language
- Black Russian Terrier
- Block register territory
- Boeing Phantom Works
- Bradford Robotic Telescope
- Brain Research Trust
- British Rail Telecommunications
- Brookhaven Rail Terminal
- Brooklyn Rapid Transit Company
- Brotherhood of Railroad Trainmen
- Bus rapid transit
- Business Roundtable
- Dhaka BRT
- Geopost
- Global (Bunji Garlin album)
- Gradient boosting
- Gross register tonnage
- Ho Chi Minh City University of Technology
- Thyristor
- Time in Brazil
- Tokyo BRT
- Transjakarta
- UD Trucks