IRC (disambiguation)

IRC may refer to:

* Circle City Airport, Circle City, Alaska
* Innovation Relay Centres Network A European Union initiative to foster transnational technology transfer in Europe
* Integrated Remote Console
* Internet Relay Chat, an online system of communication
* International Red Cross and Red Crescent Movement, the overarching organization of Red Cross/Crescent/Crystal societies
** International Red Cross, the former name of the International Red Cross and Red Crescent Movement
* Interhemispheric Resource Center, affiliated with the International Relations Center (see below)
* International Relations Center, a policy studies institute based in Silver City, New Mexico; one of its projects is Right Web, described as a program of the Interhemispheric Resource Center
* Industrial Relations Commission, a workplace relations tribunal in Australia
* International Rescue Committee, an organization that assists refugees
* International Rescue Corps, a search and rescue organisation based in the United Kingdom
* Indian River County, a county in the U.S. state of Florida
* Internal Revenue Code, the federal tax code used in the United States
* International reply coupon, used to post a standard 20 gram letter to most countries
* International Rostrum of Composers, an annual forum for the promotion of contemporary classical music.
* Intrinsic reaction coordinate, in .
* Incrementally Related Carriers, a standard for video channel frequencies.
* Intercontinental Rally Challenge, rally championship aimed at young or amateur rally drivers under FIA sporting and technical regulations
* IRC (Sailing), a system of handicapping sailboats and yachts for the purpose of racing.
* Immigration Removal Centre, the official name for immigration detention centre in the United Kingdom.
* International Residential Code
* Incremental Rotary enCoder, a device that produces electrical impulses describing its axes' angular position change