Leakage may refer to:

  • Leakage (chemistry)
  • Memory leak, in computer science
  • Leakage (economics)
  • Leakage (electronics)
  • Leakage (retail)
  • Leakage (semiconductors)
  • Crosstalk (electronics), also known as Leakage, where signals are picked up by an unintended device
  • Spill (audio), where audio from one source is picked up by a microphone intended for a different source
  • Fecal incontinence
  • Urinary incontinence
  • Leakage effect, the loss of tourist revenue from a country
  • Spectral leakage in signal processing