# CCR

CCR may stand for:

## Arts and entertainment
### Music

* Creedence Clearwater Revival, an American rock band
** Creedence Clearwater Revival (album), the 1968 debut album by Creedence Clearwater Revival
* Creedence Clearwater Revisited, a rock band formed in 1995 by two former Creedence Clearwater Revival members
* Cross Canadian Ragweed, an American country music band

### Other uses in arts and entertainment

* ChuChu Rocket!, a puzzle game for the Sega Dreamcast developed by Sonic Team in 1999
* Yasuo Motoki, a fictional character in Wangan Midnight

## Law and prisons

* California Code of Regulations, formerly the California Government Code
* Center for Constitutional Rights, formerly the Emergency Civil Liberties Committee, a non-profit dedicated to civil and human rights law
* Constitutional Court of Romania
* Court for Crown Cases Reserved (abbreviation CCR is used in case citations)
* Covenants, Conditions, and Restrictions
* Closed cell restricted or solitary confinement

## Organizations

* Canadian Council for Refugees, a non-governmental organization that critiques the Government of Canada's public policy regarding refugee settlement and determination
* Center for Cerebrovascular Research, A UCSF research organization specializing in cerebrovascular disease
* Center for Constitutional Rights, a non-profit legal advocacy organization
* Centre for Cross-cultural Research at the Australian National University, 1997–2008?
* Chelmsford City Racecourse, a horse racing course in Essex, UK
* Cistercian College, Roscrea, a Catholic boarding school for boys
* Citizens for a Canadian Republic, an anti-monarchy group in Canada
* Colonial Christian Republic, a United States right-wing Christian militia group
* Communität Casteller Ring, a German Lutheran religious order for women
* Rangpur Cadet College, Rangpur, Bangladesh
* League for Catholic Counter-Reformation

## Science and technology
### Biology and medicine

* C-C motif receptor, beta chemokine receptor
* Cannabis and Cannabinoid Research, a peer-reviewed academic journal discussing medical cannabis, cannabinoids, and endocannabinoids
* Cardiocerebral resuscitation, a variation of Cardiopulmonary Resuscitation
* Carbon catabolite repression, part of the adaptive metabolic control system
* Chemokine receptor, a term in cell biology
* Continuity of Care Record, a health record standard
* Creatinine clearance rate, a measure of kidney/renal function
* Crotonyl-CoA carboxylase/reductase, an enzyme
* Complex chromosomal rearrangement, a rare chromosome abnormality

### Electronics and computing

* Center for Communications Research, two research centers (one in Princeton and the other in La Jolla) administered by the Institute for Defense Analyses
* Cluster continuous replication, a form of data replication introduced in Microsoft Exchange 2007
* Concurrency and Coordination Runtime, from the Microsoft Robotics Developer Studio
* Condition Code Register, or status register, in computer processor architecture
* Constant current regulator, an electronic circuit
* Customer Configuration Repository, a service of Oracle Corporation's support for Oracle Database, subsequently known as Oracle Configuration Manager (OCM)

### Other uses in science and technology

* Canonical commutation relation, a concept in physics
* Carbon capture readiness, a European Union energy generation requirement
* Cargo control room of a tank-ship where the person in charge monitors and controls many aspects of liquid cargo movement
* Change Control Request
* Coal combustion residuals, a term for coal combustion products
* Conradson Carbon Residue, in crude-oil refining, a measurement similar to Ramsbottom carbon residue and micro carbon residue
* Koenigsegg CCR, an automobile
* Johnson–Corey–Chaykovsky reaction

## Sport

* CEAT Cricket Ratings
* Central City Rollergirls, an English roller derby league
* Closed circuit rebreather (CCR), a type of self-contained underwater breathing apparatus used in scuba diving
* Convict City Roller Derby League, based in Tasmania

## Transportation

* Canada Central Railway
* CCR S.A., a Brazilian toll road operator
* Central Canada Railway, a predecessor to Northern Alberta Railways
* Concord/Buchanan Field Airport (IATA airport code CCR)
* Corinth and Counce Railroad

## Other uses

* Calculated course rating, a component of the Golf Australia Handicap System
* Calendar of the Close Roll, book series translating and summarizing these medieval documents
* Catholic Charismatic Renewal, a movement within the Catholic Church
* Central Contractor Registration, a U.S. Government supplier database, replaced in 2012 by the System for Award Management (SAM)
* Chandigarh Capital Region, urban area in and around Chandigarh, India
* Circus Circus Reno, a hotel and casino located in Reno, Nevada
* Collective cabinet responsibility, a constitutional convention in Parliamentary systems of Government
* Combat Command Reserve, a level of military organization employed by the U.S. Army from 1942 to 1963
* Consumer confidence report, an annual water quality report in the United States
* Corporate credit rating, in investment, a bond credit rating assessing the credit worthiness of a corporation's debt issues
* Curly-coated retriever, a breed of dog