BPI might refer to:

In business:

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 throughout 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 might additionally be: