IRB

Acronym	Definition
IRB	Internal Revenue Bulletin (Internal Revenue Service)
IRB	International Rugby Board
IRB	Institutional Review Board
IRB	Immigration and Refugee Board (Canadian immigration)
IRB	Internal Ratings Based (banking; risk management)
IRB	Institute for Research in Biomedicine
IRB	Internal Review Board
IRB	Industrial Revenue Bond
IRB	Integrated Routing and Bridging
IRB	Institut de Recherché en Biotechnologie (French)
IRB	Irish Republican Brotherhood
IRB	Indian Rocks Beach (Florida)
IRB	Independent Review Board
IRB	Investment Review Board
IRB	Industrial Robot
IRB	Interactive Ruby Shell (programming)
IRB	Industrial and Regional Benefits (Canada)
IRB	Inshore Rescue Boat
IRB	Industrial Regional Benefits
IRB	Individual Record(s) Brief
IRB	Improved Ribbon Bridge
IRB	Intel Research Berkeley (UC Berkeley)
IRB	Industrial Relations Board
IRB	International Register on Biosafety
IRB	Infrared Brazing
IRB	Indian Reserved Battalion
IRB	Independent Research Board
IRB	Income Replacement Benefit (Ontario Accident Benefits Schedule)
IRB	I Are Back
IRB	Internal Review Budget
IRB	Interruption Request Block
IRB	Incident Report Book (police)
IRB	Internet Renaissance Band
IRB	Industrial Relations Bulletin
IRB	Infrastructure Review Board
IRB	Initial Review Board
IRB	Inflatible Rescue Boat
IRB	Inspection Review Board
IRB	Inner Radiation Belt
IRB	Institutional Review Branch (various organizations)
IRB	Iron Rotating Band
IRB	Inspection Requirements Branch (US Navy)
IRB	Industrial Readjustment Branch
IRB	Instrumentation/Relay Board
IRB	Inducto-Ratio Bridge
IRB	Interest Buy-Down
IRB	Irregular Route Motor Carriers Bureau
IRB	Impulse Resistance Bridge
IRB	Improved Rotor Blade
IRB	Intelligence Review Board
IRB	Internationally Recognized Border
IRB	Irregular Billing
IRB	Institut Rudjer Boskovic (Croatian research institute)