CFU may refer to:
Companies and organizations
United States
Cedar Falls Utilities, a municipally owned public utility located in Cedar Falls, Iowa Croatian Fraternal Union, a Croatian diaspora club
Australia
Ceramic Fuel Cells Ltd (ASX and LSX code), an Australian fuel cell technology company Community Fire Unit, a New South Wales-based residential volunteer fire protection organisation
Other countries Cambridge Fans United, fans of the English football team Cambridge United F.C. Canadian Freelance Union, a Canadian trade union for freelance media contributors Caribbean Football Union, the nominal governing body for Caribbean football Children's Film Unit, a British film production company & educational charity Commercial Farmers' Union, a trade union in Zimbabwe Crown Film Unit, the film production arm of the UK Ministry of Information during World War II
Other uses Colony-forming unit, a measure of viable bacterial or fungal numbers in biology Corfu International Airport (IATA airport code), an airport on the Greek island of Corfu University training credit (It: credito formativo universitario, CFU) is an academic credit system in Italian universities.