| Acronym | Definition |
|---|
| CRR | Conservatoire à Rayonnement Régional (French: Regional Influence Conservatory) |
| CRR | Capital Requirements Regulation (EU) |
| CRR | Certificat Restreint de Radiotéléphoniste (French: Restricted Operator's Certificate) |
| CRR | Cash Reserve Ratio |
| CRR | Center for Retirement Research (Boston College) |
| CRR | Congestion Revenue Rights (electricity) |
| CRR | Cemal Resit Rey (Turkish concert hall) |
| CRR | Carbo Ceramics Inc (stock symbol) |
| CRR | Cox Ross Rubinstein (financial options valuation model) |
| CRR | Center for Reproductive Rights |
| CRR | Current Run Rate |
| CRR | Conseil Régional de la Réunion (French: Regional Reunion Council) |
| CRR | Credit Risk Rating |
| CRR | Card Reader Replacement |
| CRR | Corporate Risk Rating |
| CRR | Code Review Record |
| CRR | Continuous Remote Replication |
| CRR | Continuous Renal Replacement |
| CRR | Cost Recovery Rate |
| CRR | Certified Realtime Reporter |
| CRR | Contract Rights Renewal (UK) |
| CRR | Country Risk Rating (various organizations) |
| CRR | Cooperatively Rearranging Region (crystals) |
| CRR | Common Root Rot (plant disease) |
| CRR | Closed Ring Resonator |
| CRR | Credit Report Request |
| CRR | Concussion Recognition and Response (smartphone application; trademark of Psychological Assessment Resources, Inc.) |
| CRR | Centre de Recherche Routière (French: Central Road Research; Belgium) |
| CRR | Centre for Refugee Research (Australia) |
| CRR | Central Readiness Regiment (Japan) |
| CRR | Clinchfield Railroad |
| CRR | Context Representation and Reasoning |
| CRR | Calandre Rétro Rouennaise (French automobile club) |
| CRR | Common Risk Rules (trade; EU) |
| CRR | Call Return Rate |
| CRR | Cuminanza Rumantscha Radio e Televisiun (Romansh speaking Radio and Television, Switzerland) |
| CRR | Center for Renewable Resources |
| CRR | Criminal Record Report |
| CRR | Center for Radiological Research |
| CRR | Centre for Remanufacturing & Reuse (UK) |
| CRR | Campaign for Renters' Rights (Oakland, CA) |
| CRR | Certification Requirements Review |
| CRR | Client Relations Representative |
| CRR | Career and Recovery Resources, Inc. (Houston, TX; est. 1945) |
| CRR | Clinical Reportable Range |
| CRR | Case Reconciliation Review |
| CRR | Churchill Research Range |
| CRR | Critical Requirements Review (NASA) |
| CRR | Computer Run Report (NASA) |
| CRR | Capacity-Related Reliability |
| CRR | Change Request Reply |
| CRR | Cognizant Regional Representative |
| CRR | Customer Relation Representative |
| CRR | Crew Readiness Review |
| CRR | Credential Record Reference |
| CRR | Cyber Risk Report (Cisco Systems) |
| CRR | Carcass Return Rate |
| CRR | Competitive Rate Request |
| CRR | Change Request Report |
| CRR | Common Radio Room |
| CRR | Cargo Release Request (shipping) |
| CRR | Consumer's Reliability Risk |
| CRR | Clutter Rejection Radar |
| CRR | Contingency Retention Requirement |
| CRR | Candidate Referral Roster |
| CRR | Center for Radiation Research |
| CRR | Comparison Risk Ranking |
| CRR | Community Recovery Residence |
| CRR | Cost Recovery Regulations |