CIR

• Arctic Circle Air
• CIR (gene)
• CIR Group
• Cairo Regional Airport
• Caledonian Road & Barnsbury railway station
• Campionato Italiano Rally
• Carrier-to-interference ratio
• Center for Individual Rights
• Center for Investigative Reporting
• Central ischaemic response
• Christian Initiative Romero
• Christmas Island Resort
• Circinus
• Color Infrared
• Combustion Integrated Rack
• Commissioner of Internal Revenue
• Committed information rate
• Committee on International Relations (University of Chicago)
• Comprehensive Immigration Reform Act of 2006
• Consumer IR
• Convention of Republican Institutions
• Coordinator for International Relations
• Cosmetic Ingredient Review
• Cox–Ingersoll–Ross model
• Initiative
• United States House Committee on Foreign Affairs
• financial ratio
• isotope ratio mass spectrometry
• referendum
• solar wind