| CSR | C Stock Race 
| Others |
| CSR | Caesarean Section Rate
| Others |
| CSR | California State Railroad
| Others |
| CSR | California Street Rods
| Others |
| CSR | Cambridge Silicon Radio
| Others |
| CSR | Campaign for Surplus Rosaries
| Others |
| CSR | Campus Switch Router
| Others |
| CSR | Canadian Satellite Radio
| Others |
| CSR | Canal Service Road
| Others |
| CSR | Car Show Radar
| Others |
| CSR | Carbon Sport Race
| Others |
| CSR | Caring, Sharing, and Rapport
| Others |
| CSR | Carrier Safety Rating
| Others |
| CSR | Carrier Sensitive Routing
| Others |
| CSR | Carry-Save Representation
| Others |
| CSR | Cash Status Report
| Others |
| CSR | Casuarito Airport
| Others |
| CSR | Cat Scratch Reader
| Others |
| CSR | Catalyst for Sustainability and Responsibility
| Others |
| CSR | Cataract Surgery Rate
| Others |
| CSR | Caterham Seven Racing
| Others |
| CSR | Cell Missequenced Ratio
| Others |
| CSR | Cell Site Router
| Others |
| CSR | Cell Surface Reviews
| Others |
| CSR | Cell Switch Router
| Others |
| CSR | Cell Switching Router
| Others |
| CSR | Center for Scientific Review
| Others |
| CSR | Center for Space Research
| Others |
| CSR | Central Scientific Research
| Others |
| CSR | Central Serous Retinopathy
| Others |
| CSR | Central Source Registry
| Others |
| CSR | Central Sterile Room
| Others |
| CSR | Central Supply Room
| Others |
| CSR | Central System Router
| Others |
| CSR | Centre for Social Research
| Others |
| CSR | Centre State Rodders
| Others |
| CSR | Certificate Signing Request
| Others |
| CSR | Certification Status Report
| Others |
| CSR | Certified Shorthand Reporter
| Others |
| CSR | Cervical Spine Radiography
| Others |
| CSR | Cervical Spondylotic Radiculopathy
| Others |
| CSR | Change Service Request
| Others |
| CSR | Channel Status Register
| Others |
| CSR | Charles Stewart Rolls
| Others |
| CSR | Chartered Stenographic Reporter
| Others |
| CSR | Chase Ranch, California, Seismograph station
| Others |
| CSR | Check Signal Return
| Others |
| CSR | Chefs Social Responsibility
| Others |
| CSR | Chemical Society Reviews
| Others |
| CSR | Cheyne-Stokes Respiration
| Others |
| CSR | Children Showing Results
| Others |
| CSR | Cisco Storage Router
| Others |
| CSR | Citrix Smooth Roaming
| Others |
| CSR | Civil Service Rules
| Others |
| CSR | Class Size Reduction
| Others |
| CSR | Class Switch Recombination
| Others |
| CSR | Class-Switch Recombination
| Others |
| CSR | Classification Staff Representative
| Others |
| CSR | Classik Studio Reverb
| Others |
| CSR | Classless Static Route
| Others |
| CSR | Clear Statistical Registry
| Others |
| CSR | Client Server Runtime
| Others |
| CSR | Clinical Study Report
| Others |
| CSR | Clock Shift Register
| Others |
| CSR | Cloud Services Router
| Others |
| CSR | Code Segment Register
| Others |
| CSR | Code Set Registry
| Others |
| CSR | Cold Start Relay
| Others |
| CSR | Collaborative Strategic Reading
| Others |
| CSR | Colonial Sugar Refining
| Others |
| CSR | Combat Stress Reaction
| Others |
| CSR | Comfort Super Racing
| Others |
| CSR | Command and Status Register
| Others |
| CSR | Command Status Register
| Others |
| CSR | Commander's Summary Report
| Others |
| CSR | Commission on Road Safety
| Others |
| CSR | Common Serial Receiver
| Others |
| CSR | Communications Service Request
| Others |
| CSR | Communications Standards Review
| Others |
| CSR | Community Schools and Roads
| Others |
| CSR | Community Service Radio
| Others |
| CSR | Community Service Relationships
| Others |
| CSR | Community Service Representative
| Others |
| CSR | Community Sports and Recreation
| Others |
| CSR | Company Statistical Rates
| Others |
| CSR | Competition Sport Racing
| Others |
| CSR | Competition Sprung Roadster
| Others |
| CSR | Competition Success Review
| Others |
| CSR | Compliance Solutions and Resources
| Others |
| CSR | Composite Speed Rating
| Others |
| CSR | Comprehensive School Reform
| Others |
| CSR | Comprehensive Spending Review
| Others |
| CSR | Comprehensive Study Review
| Others |
| CSR | Computer Sciences Raytheon
| Others |
| CSR | Concept Study Report
| Others |
| CSR | Configuration Save and Restore
| Others |
| CSR | Consulting Services and Research
| Others |
| CSR | Contaminated Sites Regulation
| Others |
| CSR | Content Security Reporter
| Others |
| CSR | Conti Safety Ring
| Others |
| CSR | Continuous Speech Recognition
| Others |
| CSR | Control and Status Register
| Others |
| CSR | Control and Status Registers
| Others |
| CSR | Control Status Register
| Others |
| CSR | Control Store Ram
| Others |
| CSR | Controlled Supply Rate
| Others |
| CSR | Copper Sulfide Rectifier
| Others |
| CSR | Core Security Requirements
| Others |
| CSR | Corporate Search and Rescue
| Others |
| CSR | Corporate Self Regulation
| Business, Policy |
| CSR | Corporate Social
| Others |
| CSR | Corporate Social Responsibility
| Business, Environment, Policy |
| CSR | Corporate Sustainability and Responsibility
| Others |
| CSR | Corrected Survival Rate
| Others |
| CSR | Cortisol Secretion Rate
| Others |
| CSR | Corvette Stingray
| Others |
| CSR | Cost Sharing Reductions
| Others |
| CSR | Crew Station Review
| Others |
| CSR | Critical Section Reachability
| Others |
| CSR | Crop Suitability Rating
| Others |
| CSR | Curve Speed Reduction
| Others |
| CSR | Customer Service Record
| Others |
| CSR | Customer Service Representative
| Others |
| CSR | Customer Service Request
| Others |
| CSR | Customer Specific Requirement
| Others |
| CSR | Customer Specific Requirements
| Others |
| CSR | Customer Support
| Others |
| CSR | Customer Support Representative
| Others |
| CSR | Cyber Security Research
| Others |
| CSR | Cycles Since Repair
| Others |
| CSR | CytoSkeletal Reorganisation
| Others |