Bypass may refer to:

  • Bypass (audio), in effects units, a switch that allows sound
  • Bypass (computing), in computing, circumventing security features in hacking, or taking a different approach to an issue in troubleshooting
  • Bypass (road)
  • Bypass surgery
  • Bypass (telecommunications)
  • Bypass (valve)
  • Bypass capacitor, used to bypass a power supply or other high impedance component
  • High bypass, a turbofan aircraft gas turbine engine
    • Bypass duct
    • Bypass ratio
  • Bleach bypass, an optical effect
  • Bypass switch