IRB

IRB may refer to:

in organizations:

• Immigration and Refugee Board of Canada, a Canadian administrative tribunal
• Institut Ruđer Bošković (Ruđer Bošković Institute), a Croatian research institute
• Institutional review board, a committee to monitor research involving humans
• Instituto de Resseguros do Brasil, a Brazilian company of reinsurance
• Instituto Ricardo Brennand, a museum in Recife, Brazil
• International Rugby Board, the former name of World Rugby, the governing board of rugby union
• IRB Infrastructure, an Indian road infrastructure company
• Irish Republican Brotherhood, an Irish secret revolutionary society of the 19th and early 20th centuries

in technology:

• Interactive Ruby Shell, a shell for programming in Ruby
• ASEA IRB, an industrial robot

Other:

• Inflatable Rescue Boat, a rubber boat with an outboard motor used in surf lifesaving
• Internal Ratings-Based Approach (Credit Risk), an approach to estimate capital requirements by banks under the Basel II guidelines
• Internal Revenue Bulletin, a weekly publication of the U.S. Internal Revenue Service