HPI may refer to:

Organisations HPI Ltd, a British company that provides vehicle history checks and car valuations HPI Groupe, a French company specialized in radio broadcasting HPI, LLC, an American company specialized in industrial turbo-machinery Huaneng Power International, a Chinese power company Huron Potawatomi, Inc., the business division of the Nottawaseppi Huron Band of Potawatomi Heinrich Pette Institute, an institute for basic research in virology and immunology, based in Hamburg, Germany Hasso Plattner Institute for Digital Engineering, an information technology university college in Potsdam, Germany HP Inc., an American technology company

Medicine Human probiotic infusion, a treatment, targeting the intestines High probability instruction, a behaviorist therapy based on positive reinforcement History of the present illness, a detailed interview prompted by the chief complaint or presenting symptom

Economics House price index, a measure of property value Human Poverty Index, a United Nations measure of the amount of poverty in various countries

Other uses Human performance improvement, a field of study related to process improvement methodologies Happy Planet Index, an index of human well-being and environmental impact Hardware Platform Interface, a technical specification defined by the Service Availability Forum Henley Passport Index, a measure of how easy travel is for citizens of a country

HPI (TV series), a 2021 French television series.

hpi may refer to:

hours post infection