IPI

IPI is a three-letter abbreviation with multiple meanings, including:

;indexes
*International Prognostic Index is a medical tool used in oncology to predict the outcome of lymphoma patients.
*Industrial Production Index is an economic indicator.
*International Protein Index is a database covering information about the proteomes of humans, mice and other animals.;identifier
*Interested Parties Information / IPI number (property rights management).;organizations
*Image Permanence Institute is a non-profit organization dedicated to scientific research in the preservation of visual and other forms of recorded information.
*International Press Institute is a journalism organization.;other
*Intelligent Peripheral Interface is a technology for connecting storage devices to computers.
*Interprocessor Interrupt is a mechanism used between processors to maintain a sort of synchronization.
*International Payment Instruction
*Inwald Personality Inventory is a personality test.
*Image Permanence Institute is a non-profit organization dedicated to scientific research in the preservation of visual and other forms of recorded information.
*Income Protection Insurance is an insurance policy paying benefits to policyholders who are unable to work due to illness or accident.