IRC is an abbreviation for the following:

• International Red Cross (and Red Crescent Movement)
• International Reply Coupon
• International Rescue Committee
• Internet Relay Chat, an online system of communication.
• Internal Revenue Code, the federal tax code in the U.S.
• Indian River County
• International Rescue Corps, the UK based search and rescue organisation
• Industrial Relations Commission, a workplace relations tribunal in Australia

• A number of organizations, including:
  • Information Resource Center of the American Embassy in Paris
  • Innovation Relay Centre
  • Institut de recherches sur la catalyse (Catalysis Research Institute)
  • Institute for Research in Construction
  • Insurance Research Council
  • Interdisciplinary Research Centre in Superconductivity
  • Interhemispheric Resource Center
  • International Reference Centre for Community Water Supply, now known as IRC International Water and Sanitation Centre
  • Industrial Refrigeration Consortium a collaborative effort between the University of Wisconsin Madison and industry with a goal to improve the safety, efficiency, and productivity of industrial refrigeration systems and technologies
• There are also a number of commercial entities bearing that name

You may also be looking for the wikipedia IRC channel, #Wikipedia The International Red Cross and Red Crescent Movement is the worlds largest group of humanitarian non-governmental organizations, often known simply as the Red Cross, after its original symbol. ... An international reply coupon (IRC) is a coupon that can be used to post a standard 20 gram letter anywhere in the world. ... The International Rescue Committee was founded at the request of Albert Einstein to assist opponents of Adolf Hitler. ... Internet Relay Chat (IRC) is a form of instant communication over the Internet. ... The Internal Revenue Service (IRS) is the United States government agency that collects taxes and enforces the tax laws. ... Indian River County is a county located in the U.S. state of Florida. ... International Rescue Corps or IRC is one of the few truly independent front-line search and rescue organisations in the world. ... The Australian Industrial Relations Commission (AIRC) is a tribunal established under the Workplace Relations Act 1996 (Cth). ...