CRF

CRF may refer to:

Science and technology

• Corticotropin-releasing factor family, a family of related neuropeptides in vertebrates
  • Corticotropin-releasing hormone or corticotropin-releasing factor, a polypeptide hormone
• Chromatographic response function, a coefficient which characterizes the quality of the separation in the result of a chromatography
• Coefficient of rolling friction, a coefficient that measures the rolling resistance
• Cloud radiative forcing, the difference between the radiation budget components for average cloud conditions and cloud-free conditions
• Chemotactic range fitting, a phenomenon in which organisms direct their movements according to certain chemicals
• Controlled-release fertiliser, a solid form fertilizer
• Coupled rangefinder camera
• Case report form, used in clinical trial research

Computing

• Conditional random field, in machine learning, a type of graphical model
• Constant Rate Factor, used in video encoders such as x265, and VP9, and AV1 as a bitrate control method.

Medicine

• Cardiorespiratory fitness
• Case report form, in a clinical trial, the document showing all the evaluated patient data
• Cancer-related fatigue
• Chronic renal failure, also known as chronic kidney disease (CKD)

Economics and finance

• Capital recovery factor, a financial concept
• Consolidated Revenue Fund, the main government bank account in many Commonwealth Nations

Organisations

• Coalition for Religious Freedom, a group affiliated with the Unification Church also aka International Coalition for Religious Freedom
• Catholic Reaction Force, a name used by paramilitaries to issue death threats against Protestants in Northern Ireland during "The Troubles"
• Cave Research Foundation, an American private, non-profit group dedicated to the exploration, research, and conservation of caves
• Central Readiness Force, a military defense unit in Japan
• Centro Ricerche Fiat, the central research organization for Fiat; see Blue&Me
• Air Central (ICAO airline designator), an airline in Japan

Sports

• Circle rules football, a variation on football with only one goal
• Cyprus Rugby Federation, the governing body for rugby union in Cyprus
• Clube de Regatas do Flamengo, a Brazilian football club based in Rio de Janeiro

Other uses

• Honda CRF series, a series of motorcycles
• Carolina Renaissance Festival, a festival held annually in North Carolina, US
• Charter of Rights and Freedoms, a bill of rights entrenched in the Constitution of Canada