| Acronym | Definition |
|---|
| IRAC | Infrared Array Camera |
| IRAC | Infra Red Array Camera |
| IRAC | Interdepartment Radio Advisory Committee |
| IRAC | Integrated Resilient Aircraft Control (NASA project) |
| IRAC | Interagency Radiological Assistance Committee (US FEMA) |
| IRAC | Initial Residual Asphalt Content (road construction material) |
| IRAC | Issue, Rule, Application, Conclusion (legal writing) |
| IRAC | Interim Rapid Action Change |
| IRAC | Indochina Refugee Action Center |
| IRAC | Internal Review & Audit Compliance |
| IRAC | International Radio Advisory Committee |
| IRAC | Internal Retrieval Associative Computer (Wonder Woman TV series) |
| IRAC | Interim Regional Administrative Conference |
| IRAC | Intelligence Resource Advisory Committee |
| IRAC | International Requirements and Criteria |
| IRAC | International Radio Advisory Council |
| IRAC | Irregular Repeat-Accumulate Code |
| IRAC | Infrared Area Correlator |
| IRAC | Institut Royal de l'Afrique Centrale (French) |