| IRAC | Idea Rule Application Conclusion 
| Others |
| IRAC | Imaging Response Assessment Core
| Others |
| IRAC | Income Recognition Asset Classification
| Others |
| IRAC | Individuals Roles Accountability Charting
| Others |
| IRAC | Infra Red Array Camera
| Others |
| IRAC | Insec4cide Resistance Ac4on Commitee
| Others |
| IRAC | Insecticide Resistance Action Committee
| Others |
| IRAC | Institut royal d'architecture du Canada
| Others |
| IRAC | Institut Royal de l'Afrique Centrale
| Others |
| IRAC | Institute for Research in Applicable Computing
| Others |
| IRAC | Integrated Resilient Aircraft Control
| Others |
| IRAC | Integrated Roadway Adaptive Cruise Control
| Others |
| IRAC | Inter Regional Auto Cross
| Others |
| IRAC | Interagency Research Animal Committee
| Others |
| IRAC | Interagency Resource for Achieving Cooperation
| Others |
| IRAC | Interagency Risk Assessment Consortium
| Others |
| IRAC | Interdepartment Radio Advisory Committee
| Others |
| IRAC | International Replica Arms Co
| Others |
| IRAC | Introduction Rule Analysis And Conclusion
| Others |
| IRAC | Island Regulatory and Appeals Commission
| Others |
| IRAC | Israel Religious Action Center
| Others |
| IRAC | Issue Rule Analysis And Conclusion
| Others |
| IRAC | Issue Rule Analysis Conclusion
| Others |
| IRAC | Issue Rule Application And Conclusion
| Others |
| IRAC | Issue Rule Application Conclusion
| Others |
| IRAC | Issue Rules Analysis Conclusion
| Others |