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