IPI

IPI or ipi may refer to:

Science and technology

International Prognostic Index, a medical tool used in oncology to predict the outcome of lymphoma patients
International Protein Index, a database covering information about the proteomes of humans, mice and other animals
Integrated Pulmonary Index, a single value that describes the patient's respiratory status
Inter-processor interrupt, a mechanism used between processors to maintain a sort of synchronization
Intelligent Peripheral Interface, a technology for connecting storage devices to computers

Illinois Policy Institute, a libertarian think tank based in Illinois
Image Permanence Institute, an organization dedicated to scientific research in the preservation of recorded information
Imperial Pacific International, a former food manufacturer and gambling holding company
Indian Political Intelligence, the latter name of the former intelligence organisation Indian Political Intelligence Office
Institute for Private Investors, a private membership organization that provides peer-to-peer networking and investor education
Institute of Photogrammetry and GeoInformation, a research institute, part of the consortium of institutes operating under the aegis of Leibniz University situated in Hannover, Germany
International Peace Institute, a research and policy development institution
International Press Institute, a journalism organization
Inter-parliamentary institution, a type of parliamentary assembly
Intellectual Property Institute (United Kingdom), a UK non-profit organization
Irish Planning Institute, a professional body
Swiss Federal Institute of Intellectual Property, a Swiss federal agency

Industrial Production Index, an economic indicator
Interested Parties Information, a unique identifying number assigned to each Interested Party in collective rights management
International Payment Instruction a uniform European payment receipt
International Procurement Instrument: see Government procurement in the European Union#Third country access
Inwald Personality Inventory, a personality test
Income protection insurance, an insurance policy paying benefits to policyholders who are unable to work due to illness or accident
Ipi, Waziristan, a village in Waziristan, Pakistan
Ipili language (ISO 639 code: ipi)
San Luis Airport (Colombia) (IATA code IPI)