CFU may refer to: 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 Cedar Falls Utilities, a municipally-owned public utility located in Cedar Falls, Iowa Ceramic Fuel Cells Ltd (ASX and LSX code), an Australian fuel cell technology company Children's Film Unit, a British film production company & educational charity Colony-forming unit, a measure of viable bacterial or fungal numbers Commercial Farmers' Union, a trade union in Zimbabwe Community Fire Unit, a New South Wales, Australia-based residential volunteer fire protection organisation Corfu International Airport (IATA airport code), an airport on the Greek island of Corfu at Kerkyra Croatian Fraternal Union, a Croatian diaspora club in the United States