Cor

COR may refer to:


 * California State Prison, Corcoran, in the USA
 * Cargo Outturn Report
 * Carrier Operated Relay
 * Catholic Organizations for Renewal
 * Center for Orthopaedic Research
 * Center of Rotation
 * Central Office of Record
 * Central Outdoor Router
 * Certificate of Recognition
 * Certificate of Registration, the legal document that proves an aircraft is legally registered to fly and indicates to whom the aircraft is registered
 * Change of Rater
 * Change Order Request
 * Chartered Organization Representative
 * Church of the Redeemer
 * Church of the Resurrection
 * City of Refuge Christian gaming community
 * Class of Restriction
 * Coalition on Revival
 * Coefficient of Reliability
 * Coefficient of restitution
 * College of Radiographers
 * Colours of Resistance
 * Combined Operation Ratio
 * Commander of the Relief
 * Committee of the Regions
 * Committee on Research
 * Common Order Repository
 * Communications Outage Recorder
 * Community of Reconciliation
 * Confederation of Regions
 * Continental Operating Range
 * Continental Operations Range
 * Continuity of Operations Redesign
 * Contracting Officer's Representative -- See Government contract or COTR
 * Coordinate Report
 * COR (label) - labelling for kosher foods in Canada
 * Horn (instrument)-french for horn
 * Córdoba, Argentina (airport code)
 * Core Operations Report
 * Council of Orthodox Rabbis
 * Council of Record
 * Council of Representatives
 * Course of Reaction
 * Counter Organic Revolution
 * Cup of Russia
 * The heart, since cor is Latin for this bloodpump

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