BPI may refer to:
In banking:
- Banca Popolare Italiana, an Italian bank merged into Banco Popolare
- Banco Português de Investimento, a Portuguese bank
- Bank of the Philippine Islands, the oldest bank in the Philippines
- Bpifrance, a French bank
In business:
- Baltimore Polytechnic Institute, a public high school in Maryland, United States
- Beef Products, Inc., manufacturer of lean finely textured beef, or LFTB.
- British Phonographic Industry, a record industry trade association
- British Power International, a UK-based power sector consultancy
- Bundesverband der Pharmazeutischen Industrie, the German trade group for the pharmaceutical industry
- Burma Pharmaceutical Industry, a pharmaceutical brand name in Myanmar
In measurement:
- Base peak intensity, a type of mass chromatogram
- Bits-per-inch or bytes-per-inch, used to specify the data density of magnetic tape
- Bomb Power Indicator, used by the Royal Observer Corps during the Cold War to detect nuclear explosions
- Brief Pain Inventory, used to measure the change in pain intensity after treatment, for example, with anti-cancer drugs
BPI may also be:
- Bard Prison Initiative, an inmate college degree program offered by Bard College
- Baseline Privacy Interface, a MAC layer security service
- Biodegradable Products Institute, an organization that provides technically and scientifically credible certifications for materials that biodegrade in biologically active environments
- Bipolar I disorder
- Boolean prime ideal theorem, a mathematical theorem
- Brachial plexus injury, an injury to the nerves that conduct signals from the spinal cord to the shoulder, arm and hand
- Branch on Program Interrupt, a simulated IBM S/360 and S/370 instruction under the Michigan Terminal System, an early mainframe computer operating system
- Business process interoperability, a state that exists when a business process can meet a specific objective automatically utilizing essential human labor only
- Bureau of Plant Industry (Philippines)
- Bactericidal permeability-increasing protein, an endogenous antibiotic protein that is part of the innate immune system