HCA

HCA may refer to:

Courts

High Court of Australia, the supreme court in the Australian court hierarchy and the final court of appeal in Australia

Organizations

Europe

Hall–Carpenter Archives, an archive of materials related to gay activism in Britain
Heidelberg Center for American Studies, an institute at Heidelberg University, Germany
Helsinki Citizens' Assembly, a nongovernmental organization dedicated to peace, democracy and human rights in Europe
Heritage Crafts Association, a UK charity that helps to preserve traditional hand crafts
Homes and Communities Agency, a UK non-departmental public body

United States

Heritage Christian Academy (disambiguation), several private Christian schools:
Hollywood Critics Association, a film critic group in Los Angeles, California
Hopkins Consulting Agency, a student-run technology consulting company at The Johns Hopkins University
Hospital Corporation of America, an operator of health care facilities

Other organizations

Hillcrest Christian Academy, an independent primary school in South Africa
Holy Child Academy, a Catholic school in Pagadian City, Philippines

Science and technology

Heterocyclic amine, a type of chemical compound containing at least one heterocyclic ring
Hexachloroacetone, an organic compound also called hexachloropropanone or perchloroacetone
Hierarchical cluster analysis, a method of cluster analysis used in data mining
High content analysis, a laboratory microscopic technique
Host channel adapter, in electronic communications
Hydroxycitric acid
Holloway Cut Advisor, a method of rating brilliant cut diamonds
Hot Cranking Amps, a measurement of the current provided by a car battery
Hydrographic Commission on Antarctica

Other uses

HCA (classification), a para-cycling classification
Healthcare Assistant, a UK name for a job class of medical paraprofessionals
Hennepin Center for the Arts, a building in Minneapolis, Minnesota, US
Historical cost accounting

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