| IRCC | I Really Couldn't Care 
| Others |
| IRCC | Imerys Rio Capim Caulim
| Others |
| IRCC | Immigration Refugee and Citizenship Canada
| Others |
| IRCC | Immigration Refugees and Citizenship Canada
| Others |
| IRCC | Immigration, Refugees and Citizenship Canada
| Others |
| IRCC | Independent Roofing Contractors of California
| Others |
| IRCC | India Rubber Comb Company
| Others |
| IRCC | Indian River Colony Club
| Others |
| IRCC | Indian River Community College
| Others |
| IRCC | Indian River Corvette Club
| Others |
| IRCC | Indiana Radio Club Council
| Others |
| IRCC | Industrial Research and Consultancy Centre
| Others |
| IRCC | Industrial Research Consultancy Centre
| Others |
| IRCC | Industry Research Coordinating Committee
| Others |
| IRCC | Information Resources Coordinating Council
| Others |
| IRCC | Infra Red Communications Controller
| Others |
| IRCC | Instructional and Research Computing Center
| Others |
| IRCC | Instructional and Research Computing Council
| Others |
| IRCC | Intelligent Remote Centre Compliance
| Others |
| IRCC | Inter Regional Coordinating Committee
| Others |
| IRCC | Inter Regional Coordination Committee
| Others |
| IRCC | Internally Routed Cruise Control
| Others |
| IRCC | International Radical Cystectomy Consortium
| Others |
| IRCC | International Recovery and Citizenship Collective
| Others |
| IRCC | International Red Cross Conference
| Others |
| IRCC | International Relations Career Challenge
| Others |
| IRCC | International Roof
| Others |
| IRCC | International Roof Coatings Conference
| Others |
| IRCC | Inverness Railway and Coal Company
| Others |
| IRCC | Iraqi Revolutionary Command Council
| Others |
| IRCC | Iron Range Christian Center
| Others |
| IRCC | Italian Renaissance Costuming Challenge
| Others |