IRC
IRC stands for:
- Infrared Reflective Coating , (German: Infrared reflecting coating), see halogen lamp
- Intercontinental Rally Challenge , a rally championship established by Eurosport and the FIA in 2006
- Internal Revenue Code , part of the United States Tax Act
- International Red Cross , see International Red Cross and Red Crescent Movement
- International Refugee Committee , predecessor organization of the International Organization for Migration
- International Reply Coupon , see International Reply Coupon , a coupon will be given to the countries within the Universal Postal Union (UPU) up to 20 grams heavier airmail letter abroad at the counter without postage can
- International Rescue Committee , an aid organization
- International Routing Code , an allocation code that identifies a branch of an internationally operating bank
- International Rule Cruising , surveying system for yachts
- Internet Relay Chat , a purely text-based chat system
- InterRegioCargo train, a type of train from DB Cargo
- Iran Aseman Airlines , an Iranian regional airline, based in Tehran according to the ICAO code
- Inoue rubber company , a Japanese manufacturer of two-wheeled tires, is the world's first supplier of motorcycle winter tires with sipe technology