IRB

• ASEA IRB
• IRB Infrastructure
• IRB racing
• Ian Rank-Broadley
• Immigration and Refugee Board of Canada
• Indian Reserve Battalion
• Indian Rocks Beach, Florida
• Inflatable rescue boat
• Institutional review board
• Instituto Ricardo Brennand
• Instituto de Resseguros do Brasil
• Interactive Ruby Shell
• Internal Revenue Bulletin
• Internal ratings-based approach (credit risk)
• Irish Republican Brotherhood
• Ruđer Bošković Institute
• World Rugby