PBR

PBR may refer to:

Science and technology

 * Passive bistatic radar
 * Partition boot record
 * Pebble bed reactor, a type of nuclear reactor
 * Peripheral benzodiazepine receptor, another name for translocator protein
 * Phosphorus bromide
 * Photobioreactor
 * Physically based rendering, a method used in computer graphics
 * Policy-based routing
 * Precariously balanced rock, another name for a balancing rock
 * Pusey-Barrett-Rudolph theorem about the reality of quantum states

Commerce

 * Petrobras, Brazilian oil company, NYSE code
 * Payment by Results
 * Pre-Budget Report, one of the two economic forecasts that HM Treasury is required to deliver to the UK Parliament each year

Military

 * Patrol Boat, River, a US Navy designation
 * Plastic baton round, a type of non-lethal projectile

Transport

 * Potters Bar railway station, Hertfordshire, England, National Rail station code
 * Puffing Billy Railway, tourist railway in Melbourne, Australia

Other

 * Pabst Blue Ribbon, an American beer brand
 * Parti Burkinabè pour la Refondation
 * Pelita Bandung Raya, a football club based in Bandung, Indonesia
 * Performance-based regulation of utilities
 * Plant breeders' rights over new varieties
 * Professional Bull Riders, an international professional bull riding organization