Regulator

Regulator may refer to:

• Regulator (automatic control), a device that maintains a designated characteristic, as in:
  • Battery regulator
  • Pressure regulator
  • Diving regulator
  • Voltage regulator
• Regulator (economics), an agency established by central government for the control of or intervention in the operation of markets
• Regulator gene, a gene involved in controlling the expression of one or more other genes
• Regulatory agency or Regulator, an agency responsible for exercising autonomous authority over some area of human activity
• A precision pendulum clock, originally used as a time-standard for adjusting or regulating other clocks and watches
• An auxiliary physics concept used in regularization
• Regulator (mathematics), a positive real number used in Dirichlet's unit theorem
• A British term for a steam engine's throttle
• A component of Uilleann pipes, a form of bagpipes
• A flood control structure designed to manage the return of flood water from flood plains and diversion areas to the main channel