| CR&R | Coal Rules and Regulations 
| Others |
| CRR | Cable Routing Rotation
| Others |
| CRR | Campaign for Real Recycling
| Others |
| CRR | Campionatul de Raliuri Al Romaniei
| Others |
| CRR | Canadian Rights Reporter
| Others |
| CRR | Capital Redemption Reserve
| Others |
| CRR | Capital Requirements Regulation
| Others |
| CRR | Capital Restaurant Resources
| Others |
| CRR | Carbon Removal Rate
| Others |
| CRR | Card Reader Replacement
| Others |
| CRR | Career and Recovery Resources
| Others |
| CRR | Carrier Assembly
| Others |
| CRR | Cash Receipts Record
| Others |
| CRR | Cash Receipts Report
| Others |
| CRR | Cash Reserve Ratio
| Economics, Finance |
| CRR | Center for Radiological Research
| Others |
| CRR | Center for Reading Research
| Others |
| CRR | Center for Recruitment and Retention
| Others |
| CRR | Center for Reproductive Rights
| Others |
| CRR | Center for Retirement Research
| Others |
| CRR | Center for Risk and Reliability
| Others |
| CRR | Central Resource Registration
| Others |
| CRR | Certified Realtime Reporter
| Others |
| CRR | Certified Return Receipt
| Others |
| CRR | Chain Reaction Research
| Others |
| CRR | Chat Room Regular
| Others |
| CRR | Chemically Reacted Rubber
| Others |
| CRR | Chicago Russian Riders
| Others |
| CRR | Chief Republic Revolter
| Others |
| CRR | Child Related Research
| Others |
| CRR | City Of Reptilian Residents
| Others |
| CRR | City Racing Rotterdam
| Others |
| CRR | Classic Range Rover
| Others |
| CRR | Clinchfield Railroad
| Others |
| CRR | Clinical Reportable Range
| Others |
| CRR | Clinical Research Resource
| Others |
| CRR | Code Review Record
| Others |
| CRR | Commercial Radio Rights
| Others |
| CRR | Community Residential Rehabilitation
| Others |
| CRR | Community Risk Reduction
| Others |
| CRR | Comp Robotics Research
| Others |
| CRR | Compare Result Register
| Others |
| CRR | Computer Run Report
| Others |
| CRR | Concision Relevancy Redundancy
| Others |
| CRR | Confederate Relic Room
| Others |
| CRR | Congestion Revenue Rights
| Others |
| CRR | Constant Ratio Rule
| Others |
| CRR | Consult Review Request
| Others |
| CRR | Continuous Remote Replication
| Others |
| CRR | Contract Receipt and Review
| Others |
| CRR | Contractor Residential Remote
| Others |
| CRR | Cool Running Rotor
| Others |
| CRR | Corporate Risk Rating
| Others |
| CRR | Correct Recognition Rate
| Others |
| CRR | Cox Ross Rubinstein
| Others |
| CRR | Credit Relative Ranking
| Others |
| CRR | Credit Reserve Ratio
| Others |
| CRR | Credit Risk Rating
| Others |
| CRR | Critical Requirements Review
| Others |
| CRR | Critical Research on Religion
| Others |
| CRR | Cross Region Replication
| Others |
| CRR | Current Run Rate
| Others |
| CRR | Cyber Resilience Review
| Others |
| CRR | Cyclic Redundancy Rate
| Others |
| CRR | Cyclic Resistance Ratio
| Others |
| CRR | Superior Court Criminal Rules
| Others |