PCI

PCI may refer to:

Business and economics

 * Payment card industry, businesses associated with debit, credit, and other payment cards
 * Payment Card Industry Data Security Standard, a set of security requirements for credit card processors
 * Provincial Competitiveness Index, a governance index of Vietnamese provinces
 * Ceridian-UCLA Pulse of Commerce Index, a U.S. economic indicator based on trucking fuel consumption
 * Per capita income
 * Equitable PCI Bank, a Philippine bank

Science and technology

 * Panel call indicator, telephone signalling system
 * Pavement condition index, used in transportation civil engineering
 * Picocurie (pCi), a unit of radioactivity
 * Peripheral Component Interconnect, a computer bus
 * PCI-X (PCI eXtended), a computer bus
 * PCI Express (PCIe), a computer bus
 * Projects of Common Interest, a category of EU projects for interconnecting energy infrastructures
 * Protocol-control information, in telecommunication
 * Pulverized coal injection method, in blast furnaces

Medicine

 * Percutaneous coronary intervention, a set of procedures used to treat coronary heart disease
 * Photochemical internalization, a light-triggered drug delivery method
 * Potato carboxypeptidase inhibitor, a natural peptide usable for thrombolytic and cancer therapy
 * Prophylactic cranial irradiation, a management option for certain types of aggressive cancers
 * Protein C inhibitor, a serine protease inhibitor

Organizations

 * Paralympic Committee of India, which selects athletes to represent India at international athletic meets
 * Parti Communiste Internationaliste, a French political party
 * Partito Comunista Italiano, a former Italian communist party
 * Peer Community in, communities of researchers reviewing and recommending preprints in their field
 * Pentecostal Collegiate Institute (New York), 1900–1903, US
 * Pentecostal Collegiate Institute (Rhode Island), 1902–1918, US
 * Pharmacy Council of India, a statutory body in India
 * Porter and Chester Institute, a technical school in Connecticut and Massachusetts, US
 * Post Carbon Institute, an organization advocating a more resilient, equitable, and sustainable world
 * Presbyterian Church in Ireland, a Protestant denomination in Ireland
 * Project Concern International, a humanitarian organization
 * Public Communications Inc., a Chicago-based national public relations agency

Other uses

 * Duruwa language (ISO 639-3 code)