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 Organizations 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 People Ipi (vizier), Ancient Egyptian vizier Ipi Morea (born 1975), Papua New Guinean cricketer Faqir of Ipi (born 1897), Pashtun tribal leader from Waziristan Other uses 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 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 Ipili language (ISO 639 code: ipi) San Luis Airport (Colombia) (IATA code IPI) See also Institute for Political and International Studies (IPIS)