HCA

HCA may refer to:

• Haryana Chess Association
• Hinsdale Center for the Arts
• Hall-Carpenter Archives
• Hans Christian Andersen, Danish author and poet, most famous for his fairy tales
• HC Andersen (band), Finnish rock band
• Healthcare Assistant, in the UK
• Heidelberg Center for American Studies
• Helsinki Citizens Assembly
• Hennepin Center for the Arts, a building in Minneapolis, Minnesota
• Heritage Christian Academy, the name of a number of Christian schools in North America
• Heritage Crafts Association, a UK charity that helps to preserve traditional hand crafts
• Heterocyclic amines, organic compounds that have been partly identified as carcinogens, found in meat cooked at very high temperatures
• Hexachloroacetone, a pesticide
• Hierarchical Clustering, a method of cluster analysis in statistics
• High Court of Australia
• Hillcrest Christian Academy, an independent primary school in South Africa
• Historical cost accounting
• Holloway Cut Advisor, a method of rating brilliant cut diamonds
• Holy Child Academy, a Catholic school in Pagadian City, Philippines
• Honey Care Africa, a Kenyan honey-distributing franchise.
• Homes and Communities Agency, a UK non-departmental public body
• Hospital Corporation of America the largest for profit hospital chain, Senator Bill Frist family's company
• Hopkins Consulting Agency, a student-run technology consulting company at The Johns Hopkins University
• Host Channel Adapter, in electronic communications
• Hot Cranking Amps, a measurement of the current provided by a car battery
• Hydroxycitric acid
• Hydroxycarbonate Apatite
• Hockey Club Ajoie, a team in Switzerland