| CIR | Calgary Independent Realty 
| Others |
| CIR | California Industrial Rubber
| Others |
| CIR | Campionato Italiano Rally
| Others |
| CIR | Capital Investments Review
| Others |
| CIR | Carbon Infra Red
| Others |
| CIR | Carbon Isotope Ratio
| Others |
| CIR | Cargo Integration Review
| Others |
| CIR | Carrier to Interference Ratio
| Others |
| CIR | Carrier-to-Interference Ratio
| Others |
| CIR | Cat Intellective Reasoning
| Others |
| CIR | Center for Imaging Research
| Others |
| CIR | Center for Immunization Research
| Others |
| CIR | Center For Incubation And Research
| Others |
| CIR | Center for Individual Rights
| Others |
| CIR | Center for Innovation and Resources
| Others |
| CIR | Center for Interdisciplinary Research
| Others |
| CIR | Center for Investigative Reporting
| Others |
| CIR | Central Indian Ridge
| Others |
| CIR | Central Intelligence Report
| Others |
| CIR | Change Incorporation Record
| Others |
| CIR | Channel Impulse Response
| Others |
| CIR | CIRculate
| Others |
| CIR | Citizens Initiated Referendum
| Others |
| CIR | City of Rochelle Illinois
| Others |
| CIR | City of Rochelle, Illinois
| Others |
| CIR | Citywide Immunization Registry
| Others |
| CIR | Claim Investigation Re
| Others |
| CIR | Clear Instant Reset
| Others |
| CIR | Clone Information Received
| Others |
| CIR | Collections Information Repository
| Others |
| CIR | Color Infra Red
| Others |
| CIR | Combustion Integrated Rack
| Others |
| CIR | Commercial Interior Resources
| Others |
| CIR | Commission of Industrial Relations
| Others |
| CIR | Commissioner Of Internal Revenue
| Others |
| CIR | Committed Information Rate
| Others |
| CIR | Committee for Investor Responsibility
| Others |
| CIR | Committee of Interns and Residents
| Others |
| CIR | Committee on International Relations
| Others |
| CIR | Communications Initiation Request
| Others |
| CIR | Community Inclusive Recreation
| Others |
| CIR | Compagnia Italiana Roulotte
| Others |
| CIR | Compagnie Industriali Riunite
| Others |
| CIR | Comprehensive Immigration Reform
| Others |
| CIR | Comprehensive Information Report
| Others |
| CIR | Computer Integrated Reporting
| Others |
| CIR | Computer Integrated Research
| Others |
| CIR | Computer Investment Research
| Others |
| CIR | Configuration In Run
| Others |
| CIR | Configuration Inspection Report
| Others |
| CIR | Connector for Infra Red
| Others |
| CIR | Consolidation Integration Redistribution
| Others |
| CIR | Consumer Infra Red
| Others |
| CIR | Consumer Infrared
| Others |
| CIR | Continuing Intelligence Requirement
| Others |
| CIR | Continuous Improvement in Return
| Others |
| CIR | Continuous Improvement Review
| Others |
| CIR | Contrast Improvement Ratio
| Others |
| CIR | Controlled Ileal Release
| Others |
| CIR | Coordinator for International Relations
| Others |
| CIR | Coordinator of International Relations
| Others |
| CIR | Cosmetic Ingredient Review
| Others |
| CIR | Cost Income Ratio
| Others |
| CIR | Cougars in Recovery
| Others |
| CIR | Council on Industrial Relations
| Others |
| CIR | Cox - Ingersoll - Ross interest rate model
| Others |
| CIR | Cox Ingersoll and Ross
| Others |
| CIR | Cox Ingersoll Ross
| Others |
| CIR | Creation Incubation Release
| Others |
| CIR | Credit Interpretation Ruling
| Others |
| CIR | Critical Information Requirement
| Others |
| CIR | Critical Information Requirements
| Others |
| CIR | Crop Innovations and Regulations
| Others |
| CIR | Current Instruction Register
| Others |
| CIR | Curriculum Inventory and Reports
| Others |
| CIR | Customer Inspection Required
| Others |
| CIR | Cute Interracial Relationship
| Others |
| CIR | Cyber Incident Response
| Others |
| CIR. | Curriculum And Instruction Resource Center Linking Educators
| Others |