IRB may refer to:

Organizations

Immigration and Refugee Board of Canada Immigration is the international movement of people to a destination country of which they are not natives or where they do not possess citizenship in order to settle as permanent residents or naturalized citizens. Commuters, tourists, and ...

, a Canadian administrative tribunal *

Indian Reserve Battalion In India, the police forces of the states and union territories are responsible for law enforcement in the states and union territories. History The Police Act of 1861 established the principles of organization for police forces in India and, ...

, a special unit of the Indian Police Force * ''Institut Ruđer Bošković'' ( Ruđer Bošković Institute), a Croatian research institute *

Institutional review board An institutional review board (IRB), also known as an independent ethics committee (IEC), ethical review board (ERB), or research ethics board (REB), is a committee that applies research ethics by reviewing the methods proposed for research to ...

, a committee to monitor research involving humans * ''

Instituto de Resseguros do Brasil IRB Brasil RE, formerly known as the Reinsurance Institute of Brazil (corporate name: IRB Brasil RE) operates in the market for reinsurance. History Created in 1939 by Getúlio Vargas, IRB was intended to provide reinsurance to domestic companie ...

'', a Brazilian reinsurance company * ''

Instituto Ricardo Brennand The Ricardo Brennand Institute (in Portuguese ''Instituto Ricardo Brennand'', IRB) is a cultural institution located in the city of Recife, Brazil. It is a not-for-profit private organization, inaugurated in 2002 by the Brazilian collector and bus ...

'', a museum in Recife, Brazil * International Rugby Board, the former name of

World Rugby World Rugby is the world governing body for the sport of rugby union. World Rugby organises the Rugby World Cup every four years, the sport's most recognised and most profitable competition. It also organises a number of other international rug ...

, the governing board of rugby union *

IRB Infrastructure IRB Infrastructure Developers Limited (formerly ''IRB Infrastructure Developers Private Limited''), is an Indian highway construction company headed by Mr. Virendra Dattatraya Mhaiskar. It was incorporated in 1998, with its headquarters in Mum ...

, an Indian road infrastructure company *

Irish Republican Brotherhood The Irish Republican Brotherhood (IRB; ) was a secret oath-bound fraternal organisation dedicated to the establishment of an "independent democratic republic" in Ireland between 1858 and 1924.McGee, p. 15. Its counterpart in the United States ...

, an Irish secret revolutionary society of the 19th and early 20th centuries

Technology

Interactive Ruby Shell Ruby is an interpreted, high-level, general-purpose programming language which supports multiple programming paradigms. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including p ...

, a shell for programming in Ruby * ASEA IRB, a line of industrial robots

Other

* Inflatable rescue boat, a rubber boat with an outboard motor used in surf lifesaving ** IRB racing * Internal ratings-based approach (credit risk), a method for estimating bank capital requirements * Internal Revenue Bulletin, a weekly publication of the U.S. Internal Revenue Service * Internal Ratings Based approach, a method of assessing Bank capital requirements {{disambiguation