PBR may refer to:

Science and technology

* Pusey-Barrett-Rudolph theorem about the reality of quantum states

Computing, electronics, electrics

* Partition boot record, of a computer hard drive * Passive bistatic radar *

Pebble-bed reactor The pebble-bed reactor (PBR) is a design for a graphite- moderated, gas-cooled nuclear reactor. It is a type of very-high-temperature reactor (VHTR), one of the six classes of nuclear reactors in the Generation IV initiative. The basic desig ...

, a type of nuclear fission reactor *

Physically based rendering Physically based rendering (PBR) is a computer graphics approach that seeks to render images in a way that models the lights and surfaces with optics in the real world. It is often referred to as "Physically Based Lighting" or "Physically Based ...

, a method used in computer graphics *

Policy-based routing In computer networking, policy-based routing (PBR) is a technique used to make routing decisions based on policies set by the network administrator. When a router (computing), router receives a packet it normally decides where to forward it based ...

, in computer networking

Chemistry, biochemistry

* Packed Bed Reactor, in chemical processing * Peripheral benzodiazepine receptor, another name for translocator protein * Phosphorus bromide (PBr) *

Photobioreactor Moss photobioreactor to cultivate mosses like ''Physcomitrella patens'' at the laboratory scale A photobioreactor (PBR) refers to any cultivation system designed for growing photoautotrophic organisms using artificial light sources or solar ligh ...

Geology

* Periodic Bedrock Ridges * Precariously balanced rock, another name for a balancing rock

Business, Commerce

* Payment by Results *

Performance-based regulation Performance-based regulation (PBR) is an approach to Public utility, utility regulation designed to strengthen utility performance incentives. Thus defined, the term PBR is synonymous with incentive regulation. The two most common forms of PBR ar ...

of utilities *

Petrobras Petróleo Brasileiro S.A., better known by and Trade name, trading as the portmanteau Petrobras (), is a Brazilian state-owned enterprise, majority state-owned multinational corporation in the petroleum industry headquartered in Rio de Janeiro. ...

(NYSE stock ticker code PBR), Brazilian oil company *

Plant breeders' rights Plant breeders' rights (PBR), also known as plant variety rights (PVR), are rights granted in certain places to the breeder of a new variety of plant that give the breeder exclusive control over the propagating material (including seed, cuttin ...

over new varieties * Pre-Budget Report, one of the two economic forecasts that HM Treasury is required to deliver to the UK Parliament each year *

Price-to-book ratio The price-to-book ratio, or P/B ratio, (also PBR) is a financial ratio used to compare a company's current market value to its book value (where ''book value'' is the value of all assets minus liabilities owned by a company). The calculation can be ...

, ratio of a company's stock price to its book value

Military

Patrol Boat, River Patrol Boat, River, or PBR, is the United States Navy designation for a small rigid- hulled patrol boat used in the Vietnam War from March 1966 until 1975. They were deployed in a force that grew to 250 boats, the most common craft in the Ri ...

, a US Navy designation *

Patrol boat riverine A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they ...

Plastic baton round Plastic bullet can refer to: * Plastic baton round: a large, blunt, low-velocity projectile fired from a specialized gun, intended as a less-lethal weapon for riot control and an alternative to rubber bullets. * Plastic bullet: a conventionally ...

, a type of non-lethal projectile

Transport

Potters Bar railway station Potters Bar railway station serves the town of Potters Bar in Hertfordshire, England. It is located on the Great Northern route, north of London King's Cross on the East Coast Main Line. The station is managed and served by Great Northern, ...

(National Rail station code PBR), Hertfordshire, England, UK *

Puffing Billy Railway The Puffing Billy Railway is a Narrow gauge railway, narrow gauge heritage railway in the southern foothills of the Dandenong Ranges in Melbourne, Australia. The railway was one of the five narrow gauge lines of the Victorian Railways, narr ...

, tourist railway in Melbourne, Australia

Other

Pabst Blue Ribbon Pabst Blue Ribbon, commonly abbreviated PBR, is an American lager beer sold by Pabst Brewing Company, established in Milwaukee, Wisconsin, in 1844 and currently based in San Antonio, Texas. Originally called Best Select, and then Pabst Select, ...

, an American beer brand *

Parti Burkinabè pour la Refondation Parti may refer to: *Parti (service), an online video platform, web hosting, livestreaming, and cloud services business. *Parti (surname), a Hungarian surname, and a list of people with the name * ''Parti'' (architecture), the organizing concepts b ...

, Burkina Faso political party *

Pelita Bandung Raya Madura United Football Club is an Indonesian professional football club. The club is based in Pamekasan, Madura, East Java. They currently play in the Liga 1. The current form of the club was established on 10 January 2016; the team's lin ...

, a football club based in Bandung, Indonesia *

Professional Bull Riders The Professional Bull Riders, Inc. (PBR) is an international professional bull riding organization headquartered in Fort Worth, Texas, United States. It is the largest bull riding league in the world, sanctioning hundreds of events every yea ...

, an international professional bull riding organization