CR

Nations

Languages

• Cree language (ISO 639 alpha-2)

Elements and chemicals

• Chromium (chemical symbol)
• CR gas (dibenzoxazepine)

Biology

• Chemokine receptor
• Creatine, a molecule found in myocytes

Organizations or movements

• Celtic Reconstructionism
• Český Rozhlas
• College Republicans
• Community of the Resurrection, an Anglican religious order
• Congregation of the Resurrection, a Roman Catholic religious order
• Consolidated Rail Corporation (Conrail)
• W3C Candidate Recommendation
• Choose Responsibility

Townships or physical places

• Cedar Rapids,Iowa
• Camp Ridgecrest for Boys
• Castle Rock
• Comfort room
• Constitutional routes
• Coral Sea Islands (FIPS country codes and obsolete NATO country code)
• County Roads
• CR postal area
• Crawford County, Kansas
• College of the Redwoods

Concepts

• caloric restriction
• carriage return
• challenge rating, Dungeons and Dragons. See Book of Challenges
• challenge-response spam filtering
• change request
• Chart ruler, an astrological concept
• cognitive radio, an outgrowth of software-defined radio
• cognitive robotics
• Computed radiography
• compression ratio
• concentration ratio
• credit, in accounting
• critical reading on the SAT
• critically endangered species

Publications

• Consumer Reports, American magazine
• Comptes rendus - French for reports or proceedings; often used in title of publications, most notably the Comptes rendus de l'Académie des sciences (Proceedings of the (Paris) Academy of Sciences).
• Critical Review, several publications by this name
• Casino Royale, the first James Bond novel.

Sports

• Colorado Rockies (NHL), former NHL team that has since relocated and became the New Jersey Devils
• Colorado Rockies, Major League Baseball team