Servo may refer to:

  • Servomechanism, or servo, a device used to provide control of a desired operation through the use of feedback
    • Servo (radio control), a small, cheap, mass-produced actuator used for radio control and small robotics
    • Servo bandwidth
    • Servo control
    • Servo drive, a special electric amplifier used to control electric servomechanisms
    • Servo motor
    • Servo valve
  • SERVO Magazine, a monthly robotics publication
  • Servo (layout engine), a web browser layout engine

Servo may also be:

  • Tom Servo, a fictional character from the television series Mystery Science Theater 3000
  • A fictitious multipurpose tool used by Gary Seven in the Star Trek episode Assignment: Earth
  • A Naval tool used to measure voltage
  • Servotronic, speed-dependent power steering
  • Australian slang term for a petrol station; a contraction of "service station"
  • A character in the television series Superhuman Samurai Syber-Squad
  • A non-playable character from computer game The Sims: Livin' Large
  • A playable character from the expansion pack The Sims 2: Open for Business
  • A song by The Brian Jonestown Massacre from the album Give It Back!
  • A defunct UK punk band