IRC (disambiguation)

Internet Relay Chat (IRC) is an internet messaging protocol.

IRC may also refer to:

Businesses

 * IRC Limited, a Hong-Kong–based mining firm (founded 2010)
 * IRC Tire, a Japanese tyre manufacturer (founded 1926)

Global humanitarian charities

 * IRC (organization), a water/sanitation think tank (formed 1968 in The Hague)
 * International Red Cross and Red Crescent Movement (formed 1863 in Geneva)
 * International Rescue Committee, for refugees (formed 1933 in New York)
 * International Rescue Corps, for urban search and rescue (formed 1981 in Scotland)

Government and politics

 * Immigration, Refugees and Citizenship Canada (formed 1994)
 * Immigration removal centres, United Kingdom (from 2002)
 * Australian Industrial Relations Commission (1988–2010)
 * Industrial Reorganisation Corporation, United Kingdom (1966–1970)
 * Inland Regional Center, for disabled Californians (formed 1971)
 * Independence Republic of Sardinia, an Italian separatist party (formed 2002)

Events

 * International Rostrum of Composers, a contemporary classical music forum
 * Intercontinental Rally Challenge, a rally championship

Places in the United States

 * Circle City Airport, Alaska (IATA: )
 * Indian River County, Florida

Science and technology

 * IRC (sailing), a system of handicapping sailboats and yachts for the purpose of racing
 * Two-Micron Sky Survey catalogue entries have the form IRC followed by a five-digit number, standing for infrared catalogue
 * IRC -10414, a red supergiant star
 * IRC +10420, a yellow hypergiant star
 * Incrementally related carriers, a standard for video channel frequencies
 * Infrared reflective coating, on a type of incandescent light bulb
 * IRC-Galleria, a social networking website in Finland commonly called "IRC"
 * Intrinsic reaction coordinate in the analysis of the energy profile of a chemical reaction

Other uses

 * Immigration removal centre, a UK immigration detention facility
 * Infrared reflective coating, on insulated glazing
 * Internal Revenue Code, the US federal tax code
 * International reply coupon, used to post a letter to most countries
 * International Residential Code, a set of codes and standards; see International Building Code