CR
- cr – (s) Cree language (ISO 639-1 code)
- Cr – (s) Chromium
- CR
- (s) Coral Sea Islands (FIPS 10-4 territory code)
- Costa Rica (ISO 3166 digram)
- CRAM – (i) Combined Radiometric Correction Model
- CRC
- (i) Central RTI Component
- Chemical Rubber Company
- Christian Reformed Church
- Control and Reporting Centre
- Cyclic Redundancy Check
- (s) Costa Rican colón (ISO 4217 currency code)
- Costa Rica (IOC and FIFA trigram, but not ISO 3166)
- CRD – (i) Capstone Requirements Document
- cre – (s) Cree language (ISO 639-2 code)
- CREB – (a) Cyclic AMP-response Element Binding (protein)
- CREEP – (a) Committee for the Re-Election of the President, a pejorative nickname used by opponents
- CRI
- (a) China Radio International
- (s) Costa Rica (ISO 3166 trigram)
- CRIPL – (i) Consolidated Remain-In-Place List
- CRM – (i) Cardiac Rhythm Management – Customer Relationship Management
- CRO – (s) Croatia (IOC and FIFA trigram, but not ISO 3166)
- CRP
- (i) Committee for the Re-Election of the President
- Control and Reporting Post
- CRT
- (i) Cardiac Resynchronization Therapy
- Cathode Ray Tube
- Chinese Remainder Theorem
- CRTC – (i) Canadian Radio-television and Telecommunications Commission
Read more about this topic: List Of Acronyms And Initialisms: C