CFS may refer to:

Organizations Canadian Federation of Students Canadian Forest Service Center for Financial Studies, a research institute affiliated with Goethe University Frankfurt, Germany Center for Subjectivity Research, a research institute affiliated with the University of Copenhagen, Denmark Centre for Food Safety, the food safety authority of the Hong Kong government Child and family services, a government or non-profit organisation Christian Family Solutions, a Christian non-profit social service agency headquartered in Germantown, Wisconsin, US Citizens for Sunshine, an Ohio, US nonprofit promoting access to public records Committee on World Food Security, in the United Nations System Commonwealth Fusion Systems, an American fusion energy company Co-operative Financial Services, former name of a UK-based banking and insurance company Conservative Future Scotland, the youth branch of the Scottish Conservative Party Corpo Forestale dello Stato, the Italian state forestry department Craigmillar Festival Society, a former community organisation in Edinburgh, Scotland Craniofacial Society of Great Britain and Ireland South Australian Country Fire Service, a volunteer firefighting service

Central Flying Schools Central Flying School, a Royal Air Force training establishment Central Flying School RAAF, a Royal Australian Air Force training establishment Central Flying School RNZAF, a Royal New Zealand Air Force unit Central Flying School SAAF, a flight school of the South African Air Force

Places Canadian Forces Station, a military installation of the Canadian Armed Forces Congo Free State, a recognized national entity in central Africa 1885–1908 Côte française des Somalis, the French Somaliland

Transportation Citywide Ferry Service, a commuter ferry in New York City, US Coffs Harbour Airport (IATA airport code), Australia Empire Airlines (ICAO code: CFS), originally named Clearwater Flying Service Sartigan Railway (), a short-line railway in Quebec, Canada Syrian Railways (), the Syrian state railway system

Science and technology Causal fermion systems, a fundamental physics theory Chromosomal fragile site, a part of the chromosome prone to breakage Chronic fatigue syndrome, a chronic illness now mainly called myalgic encephalomyelitis/chronic fatigue syndrome Climate Forecast System (NCEP) or coupled forecast system, a weather prediction and climate model Cold-formed steel, a goods manufacturing technique Continuous flash suppression, adapted version of flash suppression Cubic feet per second (cfs or CFS), a unit of fluid flow rate

Computing Clustered file system, a file system which is shared by being simultaneously mounted on multiple servers Completely Fair Scheduler, a Linux operating system scheduler Continuous flow system, printer ink feeding via tubes and bottles Culler-Fried System, one of the first interactive computer systems

Other uses Call for service, an incident that emergency services are assigned to resolve Canada Flight Supplement, a publication , the French national degree required to be flight attendant in France Certified Finance Specialist, a professional certification Chicken-fried steak or country fried steak Consolidated financial statement Microsoft Combat Flight Simulator (CFS1), a game

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