CLR may refer to: Calcium Lime Rust, a household cleaning-product California Law Review, a publication by the UC Berkeley School of Law Centerline Radius, a term in the tubing industry used to describe the radius of a bend Central London Railway, an underground railway line in London - now the central part of the London Underground's Central line Chief Langalibalele Rifles, an infantry regiment of the South African Army Cliff Hatfield Memorial Airport, an airport in Calipatria, California CLR (formerly Computer Language Research), a subsidiary of Thomson Reuters Tax & Accounting Coffee leaf rust, a plant disease caused by the fungus Hemileia vastatrix Combat Logistics Regiment, a type of United States Marine Corps regiment Command, Leadership, Resource management, another acronym for Cockpit Resource Management Commando Logistic Regiment, a logistic regiment of the Royal Marines Commonwealth Law Reports, reports of decisions of the High Court of Australia Compagnie Luxembourgeoise de Radiodiffusion, a Luxembourg-based radio-broadcaster - part of RTL Group Compensation Log Record, a type of database log record Council on Library Resources, USA Mercedes-Benz CLR, a racing-car The Circle of Liberal Reformers, a political party in Gabon A nickname for Introduction to Algorithms by Cormen, Leiserson, and Rivest Technology Circuit layout record Clear instruction in some computer programming assembly languages Common Language Runtime, the virtual-machine component of Microsoft .NET Current-Limiting Resistor, an electronic component