| Acronym | Definition |
|---|
| CR | Carriage Return |
| CR | Copyright |
| CR | Credit |
| CR | Costa Rica |
| CR | Controlled Release (prescription drugs) |
| CR | Creek |
| CR | Consumer Reports |
| CR | Change Request |
| CR | Complete Response |
| CR | Cruise Control (automotive) |
| CR | Czech Republic |
| CR | Clinical Research |
| CR | Crystal Reports |
| CR | Compression Ratio |
| CR | Classroom |
| CR | Chain Reaction |
| CR | Card Reader |
| CR | Case Report |
| CR | Cruise (aircraft flight condition) |
| CR | Corporate Responsibility |
| CR | Credit Report |
| CR | Credit Rating |
| CR | Chromium |
| CR | Conference Room |
| CR | Code Review |
| CR | Central Region |
| CR | Central Region (Order of the Arrow, Boy Scouts of America) |
| CR | Computed Radiography |
| CR | Customer Relationship |
| CR | Critically Endangered (IUCN Red List of Threatened Species category) |
| CR | Community Relations |
| CR | Compte-Rendu (French) |
| CR | Court Reporter |
| CR | Cedar River (Washington) |
| CR | Community Radio |
| CR | Customer Relations |
| CR | Corrientes (Argentina Province, airline code) |
| CR | Complete Remission (oncology) |
| CR | Conductor (NYC Transit Authority) |
| CR | Contractor Report |
| CR | Creatinine |
| CR | Cristiano Ronaldo (footballer) |
| CR | Code Red |
| CR | Casino Royale (book by Ian Fleming) |
| CR | Conference Report |
| CR | Croydon (postcode, United Kingdom) |
| CR | Control Room |
| CR | Crease (stamp and paper money collecting) |
| CR | Conditioned Response |
| Cr | Councillor (title) |
| CR | Continuing Resolution |
| CR | Communication Research (journal) |
| CR | Constructed Response (test type item) |
| CR | Companies Registry (Hong Kong) |
| CR | Condition Report |
| CR | Conrail (railroad) |
| CR | Cold Rolling |
| CR | Caloric Restriction |
| CR | Current Rate |
| CR | Cosmic Ray |
| CR | Challenge-Response |
| CR | Close Range |
| CR | Consumer Rights |
| CR | Crosswind |
| CR | Control and Reporting |
| CR | Cost Recovery |
| CR | Computer Room |
| CR | Corrosion Rate |
| CR | Credit Record |
| CR | Cultural Revolution |
| CR | Camera-Ready |
| CR | Computer Resources |
| CR | Chloroprene Rubber |
| CR | Crown Royal (whiskey) |
| CR | Common Room |
| CR | Cold Regions |
| CR | Control Relay |
| CR | Challenge Rating (gaming) |
| CR | Columbia Records (record label) |
| CR | Certificate of Registration |
| CR | Chicago Rawhide (manufacturer of oil and grease seals) |
| CR | Control Rod |
| CR | Close Ratio (gearbox staging) |
| CR | Connection Request |
| CR | Confidential Report |
| CR | China Railway |
| CR | Command Register |
| CR | Cray Research |
| CR | Cost Reimbursement |
| CR | Consolidated Revenue |
| CR | Contract Renewal(s) |
| CR | Chicken Run (movie) |
| CR | Chief Resident |
| CR | College Republican |
| CR | Conditional Release |
| CR | Complete Rest |
| CR | Call Request (ITU-T Rec. I.451) |
| CR | Clarification Request |
| CR | Clear Record |
| CR | Cell Relay |
| CR | Critical Resistance |
| CR | Combat Readiness |
| CR | Consumer Relations |
| CR | Certified Restorer (American Society of Cleaning and Restoration) |
| CR | Customer Requirement |
| CR | Cremona, Lombardia (Italian province) |
| CR | Claims Representative |
| CR | Constant Resistance |
| CR | Code Release (software encryption) |
| CR | Championship Record (sports) |
| CR | Certification Requirement |
| CR | Correctly Recognized |
| CR | Clean Run |
| CR | Carrier Route (US Postal Service) |
| CR | Crotch Rocket (motorcycle slang) |
| CR | Computing Resource |
| CR | Comfort Room (restroom) |
| CR | Catalytic Reactor |
| CR | Consolidated Rail Corporation |
| CR | Chief Ranger (National Park Service) |
| CR | Cost Reimbursable (contract type) |
| CR | Computing Reviews (ACM) |
| CR | Combined Ratio |
| CR | Corner Reflector |
| CR | Condition Register |
| CR | Continuous Replenishment |
| CR | Chance of Error |
| CR | Class Representative (in colleges of India) |
| CR | Competitive Range (government contracting) |
| CR | Canned Response (customer service) |
| CR | Capital Records (record label) |
| CR | Critical Ratio (operations management) |
| CR | Closed Reduction |
| CR | Care Recipient (long-term care) |
| CR | Church Record (genealogy) |
| CR | Coolant Replacement |
| CR | Conditioned Reinforcer |
| CR | Carrier Recovery |
| CR | Critical Rate |
| CR | Contract-Relax (PNF technique) |
| CR | Copyright Regulations |
| CR | Current Relay |
| CR | Compare Register (IBM) |
| CR | Channel Ready |
| CR | Counter Rotation |
| CR | Community of the Resurrection (religious order) |
| CR | Communications Room |
| CR | Cross Range |
| CR | Communications Relay |
| CR | Cedar Rapids, IA, USA |
| CR | Control Reverse |
| CR | Chapter Reference |
| CR | Configuration Review |
| CR | Central Ray (radiology) |
| CR | Circuit Reliability |
| CR | Congregation of the Resurrection (religious order) |
| CR | Conditional Requirement |
| CR | Coherent Radar |
| CR | Corpse Run (gaming) |
| CR | Customer Ready |
| CR | Calibrated Range (temperature measuring device accuracy) |
| CR | Capital Request |
| CR | Combat Rating (gaming) |
| CR | Combat Rescue |
| cr | Currentis (Latin: current month or year) |
| CR | Compliance Rating |
| CR | Corpse Retrieval (roleplaying games) |
| CR | Council Rock High School (Bucks County, PA) |
| CR | Coaxial Resonator |
| CR | Certification Revocation |
| CR | Continuous Radon Monitoring |
| CR | Channel Reliability |
| CR | Commonwealth Record |
| CR | Confirmation Review |
| CR | Custos Rotulorum (Latin: Keeper of the Rolls) |
| CR | Corpo Reticolare (Reticular Body of Chlamydia) |
| CR | Combination Radio (SINCGARS) |
| CR | Communication/Rendezvous (Plan, DOD Flight Information Publication) |
| CR | Cosmic Rift (game) |
| CR | Critique Report |
| CR | Crampon Pacific Flight Covers Handbook (philatelic handbook) |
| CR | College of Redwoods (Eureka, CA) |
| CR | Capabilities Request |
| CR | Child Rider (insurance) |
| CR | Compressor Refrigeration |
| CR | Corporate Repository |
| CR | Curl Retention |
| CR | Cryptography Research, Inc |
| CR | Count Reverse |
| CR | Clarification Report |
| CR | CAD Room (Met Police, London) |
| CR | Constructionman Recruit (US Navy paygrade E-2, SEABEES) |
| CR | Class of Restriction (telephony) |
| CR | Converter Regulator |
| CR | Christianity Revealed (website/group) |
| CR | Compactness Ratio |
| CR | Crossing Restrictions |
| CR | Constellation Rotating (matrix type) |
| CR | Comments Ratio (source code) |
| CR | Correlation Radiometry |
| CR | County Road/Route |
| CR | Caulfield Records (record label) |
| CR | Congregation of the Rosarians |
| CR | Computed Relation |
| CR | Contingency Retention |
| CR | Cosmonaut Researcher |
| CR | Correct Reconfiguration |
| CR | Cadet Regulation |
| CR | Cascaded Rectifier |
| CR | Cylinder/Condemnation Rate |
| CR | Civitas Romans (Latin: Roman City/Citizenship, epigraphy) |
| CR | Counter Robotics |
| CR | Consolidated Requisition |
| CR | Concentration-Response (pharmacology) |
| CR | Cajal-Retzius (cells) |
| CR | Center Referee (soccer) |
| CR | Cubist Records (record label) |