CRN

CRN, or crn, may refer to:

Business

 * CRN International, an American radio marketing company
 * CRN S.p.A, a luxury yacht brand owned by the Ferretti Group
 * Cornell Companies, a defunct American private prison company
 * Congress Rental Network, an audiovisual technology trade association
 * Council for Responsible Nutrition, an American dietary supplement trade association

Media

 * CRN (magazine), an American technology trade magazine
 * CRN Digital Talk Radio Networks, an American radio network
 * Calvary Radio Network, a radio station network in the United States
 * Community Radio Network (Australia), a radio program distributor
 * Community Radio Network (New Zealand), a radio network

Politics

 * National Reconciliation Committee (Comité de réconciliation nationale), a Malagasy political coalition founded by Albert Zafy
 * National Reconciliation Council (Niger) (Conseil de réconciliation nationale), a governing body during the Fourth Republic of Niger
 * National Revolutionary Committee (Comité Revolucionario Nacional), a participant in the Jaca uprising in Spain

Science

 * CrN, a lattice constant in physics
 * Chemical reaction network, in mathematical chemistry
 * Chromium nitride, a chemical compound
 * Common Random Numbers, a statistical procedure
 * Concentration ratio, a measure of market concentration in economics
 * Cross-polytope of n-dimensions, in geometry
 * US Climate Reference Network, a network of climate stations in the United States
 * Neurosciences Research Center (Centre de recherche en neurosciences), a research organization at Université Laval, Québec, Canada

Technology

 * CRN 91 Naval Gun, an Indian naval autocannon
 * AN/CRN, a series of United States military radio transmitters
 * Cognos ReportNet, business intelligence software

Transportation

 * Community Rail Network, a British rail association
 * Country Regional Network, a rail network in New South Wales, Australia
 * CRN, the Amtrak code for Creston (Amtrak station), Iowa, US
 * CRN, the ICAO code for Aero Caribbean, merged into Cubana in 2015
 * CRN, the ICAO code for Carson Air Ltd, a Canadian air ambulance operator
 * CRN, the National Rail code for Crowthorne railway station, Berkshire, UK
 * CRN, the reporting mark for the Carolina and Northwestern Railway, US

Other uses

 * Canadian Registration Number, in Canadian boiler safety regulation
 * Certified Radiologic Nurse, a nursing certification
 * Chinese Rainbow Network, an LGBT-related organization in China
 * Conflict Risk Network, a program of the defunct Genocide Intervention Network
 * Cora language, an indigenous language of Mexico