| IRC | Circle, Alaska USA 
| Others |
| IRC | I Repeat Class
| Others |
| IRC | I Repeat Classes
| Others |
| IRC | Illinois Resource Center
| Others |
| IRC | Impact Resistance lens Certification
| Others |
| IRC | Incident Response Capability
| Others |
| IRC | Incident Response Committee
| Others |
| IRC | Incident Response Coordinator
| Others |
| IRC | Incrementally Related Carrier
| Others |
| IRC | Incrementally Related Carriers
| Others |
| IRC | Independent Race Classes
| Others |
| IRC | Indian River County
| Others |
| IRC | Indian Roads Congress
| Others |
| IRC | Indignant Revolutionary Channel
| Others |
| IRC | Individual Returnable Coupon
| Others |
| IRC | Information Resource Center
| Others |
| IRC | Infra Red Camera
| Others |
| IRC | Initial Response Cell
| Others |
| IRC | Inland Revenue Commissioner
| Others |
| IRC | Innovation Relay Center
| Others |
| IRC | Innovation Relay Centre
| Others |
| IRC | Innovation Relay Centres
| Others |
| IRC | Inspection Release Certificate
| Others |
| IRC | Institute for Research in Construction (Part of NRC, Canada)
| Others |
| IRC | Institutional Review Committee
| Others |
| IRC | Integrated Radio Chassis
| Others |
| IRC | Integrated Roll Cage
| Others |
| IRC | Intel Reseller Center
| Others |
| IRC | Intelligent Release Control
| Others |
| IRC | Intelligent Ride Control
| Others |
| IRC | Inter Region Communication
| Others |
| IRC | Inter Regional Corridor
| Others |
| IRC | Inter-Residence Council
| Others |
| IRC | Intercontinental Rally Challenge
| Others |
| IRC | Interhemispheric Resource Center
| Others |
| IRC | Internal Recirculation
| Others |
| IRC | Internal Revenue Code
| Others |
| IRC | International Racing Circuit
| Others |
| IRC | International Racing Consultants
| Others |
| IRC | International Rally Challenge
| Others |
| IRC | International Rating Certificate
| Others |
| IRC | International Record Carrier
| Others |
| IRC | International Red Cross
| Others |
| IRC | International Relations Center
| Others |
| IRC | International Relay Channel
| Others |
| IRC | International Reply Coupon
| Others |
| IRC | International Reply Coupons
| Others |
| IRC | International Rescue Committee
| Others |
| IRC | International Residential Code
| Others |
| IRC | International Resistive Company, Inc.
| Others |
| IRC | International Return Coupon
| Others |
| IRC | International Rewards Centre
| Others |
| IRC | International Road Congress
| Others |
| IRC | International Rostrum of Composers
| Others |
| IRC | Internet Ralley Competition
| Others |
| IRC | Internet Ready Commands
| Others |
| IRC | Internet Ready Computer
| Others |
| IRC | Internet Related Communication
| Others |
| IRC | Internet Relay Chat
| Others |
| IRC | Internet Rely Chat
| Others |
| IRC | Internet Resource Center
| Others |
| IRC | Internet Running Club
| Others |
| IRC | Interrupt Request Controller
| Others |
| IRC | Intgrated Communication Resource
| Others |
| IRC | Intl Rescue Comm
| Others |
| IRC | IRCAM Sound format
| Others |
| IRC | Irish Republican Constabulary
| Others |
| IRC | Ironically Retarded Comment
| Others |
| IRC | Irrational Rhubarb Chompers
| Others |
| IRC | Irritating Repetive Chite
| Others |
| IRC | Islamic Research Center (Pakistan)
| Others |
| IRC | Israeli Roadster Club
| Others |
| IRC | Issoire Retromobile Club
| Others |
| IRC | Istanbul Racing Circuit
| Others |
| IRC | Item Related Check
| Others |