Rb or RB may stand for:

Arts and entertainment

* Rebecca Black, an American pop singer *

Richard Blackwood Richard Clifford Blackwood (born 15 May 1972) is a British actor, presenter and rapper. Between 2015 and 2018, he played Vincent Hubbard in the BBC soap opera ''EastEnders''. In 2020, he began portraying the role of Felix Westwood in the Channel ...

, a British rapper * Rhythm and blues, a music genre combining blues, gospel and jazz influences * ''

Rock Band A rock band or pop band is a small musical ensemble that performs rock music, pop music, or a related genre. A four-piece band is the most common configuration in rock and pop music. In the early years, the configuration was typically two guita ...

'', a music video game series * ''Rock Band'' (video game), the game of the same name *''

Ultraman R/B is a Japanese tokusatsu superhero television series produced by Tsuburaya Productions. It is the 30th entry to the ''Ultra Series'' overall, the sixth entry to the "New Generation Heroes" lineup and the last entry to the series released in the He ...

'', a Japanese television series

Businesses

* Rankin/Bass, an American production company, known for its seasonal television specials *

Ray-Ban Ray-Ban is an American-Italian brand of luxury sunglasses and eyeglasses created in 1936 by Bausch & Lomb. The brand is known for its Wayfarer and Aviator lines of sunglasses. In 1999, Bausch & Lomb sold the brand to Italian eyewear conglomerate ...

, a sunglasses company * Reckitt Benckiser, a company in the United Kingdom * Syrian Arab Airlines (IATA airline code RB)

Government and politics

* Radio Bremen, a public broadcaster for the German state of Bremen * ''Parti de la Renaissance du Bénin'' or Benin Rebirth Party, a political party in Benin * República Bolivariana, Spanish-language phrase for the type of government in Venezuela *

Rupiah Banda Rupiah Bwezani Banda (19 February 1937 – 11 March 2022) was a Zambian politician who served as the fourth president of Zambia from 2008 to 2011, taking over from Levy Mwanawasa, who died as the sitting president. Banda was an active participant ...

, President of Zambia

Science and technology

* .rb, the file extension for documents created in Ruby or in REAL Basic *

Rebar Rebar (short for reinforcing bar), known when massed as reinforcing steel or reinforcement steel, is a steel bar used as a Tension (physics), tension device in reinforced concrete and reinforced masonry structures to strengthen and aid the concr ...

(short for reinforcing bar), used in reinforced concrete structures * Retinoblastoma, a childhood cancer of the eyes caused by a mutation in the retinoblastoma protein * Retinoblastoma protein, a tumor suppressor protein *

Rubidium Rubidium is the chemical element with the symbol Rb and atomic number 37. It is a very soft, whitish-grey solid in the alkali metal group, similar to potassium and caesium. Rubidium is the first alkali metal in the group to have a density higher ...

, symbol Rb, a chemical element * Reflected binary code, Gray code * Task Control Block#Request Blocks, Request Block, a task-related control block in OS/360 and successors.

Vehicles

* Hyundai RB (buses), a series of Korean buses * SJ Rb, a Swedish locomotive * Nissan RB engine, a gasoline engine made by Nissan * Atmospheric entry, Re-entry body, the US Air Force term for a re-entry vehicle * Regionalbahn, a type of train in Germany * Réseau Breton, a French railway network in Brittany

Sport

* Running back, a position in North America football * Right back, a defensive position in association football * RB Leipzig, German football club

Other uses

* R. B. (nickname) * R. B. Winter State Park, a park in Pennsylvania * Rancho Bernardo, a community in San Diego, California, United States * Rowboat {{disambiguation