| Acronym | Definition |
|---|
| IRC➣Internet Relay Chat |
| IRC➣International Red Cross |
| IRC➣International Residential Code |
| IRC➣Information Resource Center |
| IRC➣International Rescue Committee (New York, New York) |
| IRC➣Institute for Research in Construction (Canada) |
| IRC➣International Water and Sanitation Centre |
| IRC➣Intercontinental Rally Challenge |
| IRC➣International Relations Center |
| IRC➣Indian River County (Florida) |
| IRC➣International Reply Coupon (USPS) |
| IRC➣Insuficiencia Renal Cronica (Spanish: Renal Failure) |
| IRC➣Internal Revenue Code of 1986 (formerly 1954) |
| IRC➣International Research Conference |
| IRC➣Innovation Relay Centre |
| IRC➣Independent Review Committee (various locations) |
| IRC➣Interference Rejection Combining (telecommunications) |
| IRC➣INEL (Idaho National Engineering Laboratory) Research Center |
| IRC➣Innocenti Research Centre (UNICEF) |
| IRC➣Interhemispheric Resource Center |
| IRC➣Instructor Resource Center (various organizations) |
| IRC➣Indie Rock Cafe |
| IRC➣Islamic Research Center (various locations) |
| IRC➣Innovation Relay Center |
| IRC➣Incident Response Coordinator |
| IRC➣Immigration Removal Centre (UK) |
| IRC➣Internet Related Communication |
| IRC➣Incident Response Committee |
| IRC➣International Rally Challenge |
| IRC➣Infra Red Camera |
| IRC➣Interrupt Request Controller |
| IRC➣Inter Region Communication |
| IRC➣Infrared Remote Control |
| IRC➣Insurance Research Council |
| IRC➣Investment Review Committee (various organizations) |
| IRC➣Interdisciplinary Research Centre |
| IRC➣Imposto Sobre o Rendimento das Pessoas Colectivas (Portuguese tax) |
| IRC➣International Rice Commission (Italy) |
| IRC➣Internet Research Center (various locations) |
| IRC➣International Rescue Corps (UK) |
| IRC➣Institut de Recherche en Construction (French: Institute for Research in Construction; Canada) |
| IRC➣Industrial Relations Committee (various organizations) |
| IRC➣Irvine Ranch Conservancy (est. 2005; Irvine, CA) |
| IRC➣Italian Resuscitation Council |
| IRC➣Individual Restaurant Company (UK) |
| IRC➣Inter-Residence Council |
| IRC➣Inoue Rubber Company (Thailand) |
| IRC➣Internal Review Committee |
| IRC➣Inmate Reception Center (Orange County California Sheriff's Department) |
| IRC➣Incident Response Capability |
| IRC➣In-Row Cooling (data centers) |
| IRC➣Industrial Relations Counselors (various organizations) |
| IRC➣Indian Roads Congress |
| IRC➣Intelligent Robotics and Communication Laboratories (Advanced Telecommunications Research Institute International; Japan) |
| IRC➣Investor Relations Company (Chicago, IL) |
| IRC➣Immigration Reform Caucus (US Congress) |
| IRC➣Information and Referral Center |
| IRC➣International Record Carrier |
| IRC➣Industrial Resource Center (Erie, PA) |
| IRC➣Islamic Religious Council |
| IRC➣Illinois Reading Council |
| IRC➣International Regulome Consortium |
| IRC➣Industrial Research Chairs (Canada) |
| IRC➣INFOSEC Research Council |
| IRC➣Industrial Revitalization Corporation (Japan) |
| IRC➣Integrated Remote Console |
| IRC➣International Roadmap Committee |
| IRC➣Italian Red Cross |
| IRC➣Intake Release Center (Orange County Jail) |
| IRC➣Information Research Corporation |
| IRC➣Interim Report Committee (various organizations) |
| IRC➣Incident Review Committee |
| IRC➣Incrementally Related Carrier |
| IRC➣Impôt sur le Revenu des Collectivités (French: Tax on Corporate Income; Luxembourg) |
| IRC➣Instrument Remote Control (NASA/GSFC) |
| IRC➣Indian Railways Corporation (Ministry of Railways) |
| IRC➣Investor Relations Center (Philippines) |
| IRC➣Infrared Reflective Coating |
| IRC➣Icelandic Research Council |
| IRC➣Instrument Refresher Course |
| IRC➣Island Rallysport Club (Nanaimo, BC) |
| IRC➣International Resort College (Japan) |
| IRC➣Issue Resolution Conference (USACE) |
| IRC➣Interreligious Council of Central New York (Syracuse) |
| IRC➣Igor Righetti Comunicazione |
| IRC➣Inspection Record Card |
| IRC➣Indoor Recreation Centre |
| IRC➣Investment Registration Certificate (Korea) |
| IRC➣Infrastructure Renewals Charge (UK) |
| IRC➣Interagency Radio Committee |
| IRC➣Incremental Related Carrier (cable television) |
| IRC➣International Reconciliation Coalition |
| IRC➣Islamic Relief Committee |
| IRC➣Immigration Reform Coalition |
| IRC➣Instantly Redeemable Coupon |
| IRC➣In-Room Connection |
| IRC➣Inflatable Raiding Craft |
| IRC➣Initial Ready Company (1st unit of DRF to deploy) |
| IRC➣Inland Revenue Commissioner (various countries) |
| IRC➣Information Resource Catalogue |
| IRC➣Inland Revenue Code |
| IRC➣International Resource Committee |
| IRC➣Inspection Release Certificate |
| IRC➣Inmate Records Coordinator |
| IRC➣International Railways of Central America |
| IRC➣Information and Research Center at King Hussein Foundation |
| IRC➣Internet Restricting Country |
| IRC➣Independent Recording Company (music store) |
| IRC➣Item Responsibility Code |
| IRC➣Investment Recovery Center |
| IRC➣International Reference Center for Radioactivity |
| IRC➣International Resistance Corporation |
| IRC➣Integrated Radio Control |
| IRC➣International Rome Convention |
| IRC➣Infratools Remote Control (Peregrine Systems) |
| IRC➣International Rewards Centre (est. 2002; New Zealand) |
| IRC➣Initial Response Call |
| IRC➣Initial Root Cause |
| IRC➣Inventory Re-balancing Center |
| IRC➣Inside Reactor Containment (nuclear plant) |