CRL

CRL may refer to:

Science and technology research

 * Chalk River Laboratories, a Canadian nuclear research center
 * Charles River Laboratories, an American biomedical company
 * Computational Research Laboratories, an Indian computer company

Sports leagues

 * California Rugby League, governing body for rugby league football in California and surrounding West Coast states in the US
 * Canada Rugby League, the governing body for rugby league football in Canada
 * Championship Racing League, a co-sanctioning arrangement between CART and USAC for the 1980 CART PPG Indy Car World Series
 * Country Rugby League, governing body for rugby league football in rural New South Wales, Australia

Other organizations

 * Canons Regular of the Lateran, a Catholic religious order
 * Center for Research Libraries, a consortium of North American universities, colleges, and independent research libraries
 * Co-operative Retail Logistics, part of the Co-operative Group
 * Corsair International, formerly Corsairfly (ICAO airline designator)
 * CRL Group, a British video game company

Science and technology

 * Certificate revocation list, in computing, a list of revoked certificates
 * Chemistry Research Laboratory, University of Oxford, the main chemistry building at Oxford University
 * Complete Response Letter, the official FDA response to a New Drug Application
 * Crown-rump length, the ultrasound measurement of a foetus

Transportation infrastructure

 * Brussels South Charleroi Airport (IATA code CRL)
 * Chicago Rail Link, a shortline railroad in Chicago
 * City Rail Link, an under-construction rail project in Auckland, New Zealand
 * Cross Island MRT line, a planned mass transit line for Singapore

Other uses

 * East Cree language (ISO 639-3 code crl)
 * Certified Registered Locksmith, as awarded by the Associated Locksmiths of America