Pe may refer to:

  • Pe (Cyrillic), a letter (П) in the Cyrillic alphabet
  • Pe (letter), a letter (פ, ف, etc.) in several Semitic alphabets
    • Pe (Persian), this letter (پ) in the Arabic alphabet
  • Weierstrass p (also called "pe"), a mathematical letter (℘) used in Weierstrass's elliptic functions and power sets
  • Péclet number (abbreviated "Pe."), a dimensionless number used in physics
  • Pe (text editor), a text editor for BeOS
  • Pe, Tibet, a town on the Yarlung Tsangpo River
  • Pe, one of two cities which merged into Buto
  • .pe, the Internet country code top-level domain (ccTLD) for Peru
  • Pulmonary emphysema, a lung disease.
  • Pulmonary embolism
  • Prince Edward Island, one of Canadas states
  • Portable Executable, the Microsoft Windows executable format