Circulator (disambiguation)

A circulator is an electrical device in which a signal entering any port is transmitted to the next port in rotation (only).

Circulator may also refer to:

• Optical circulator, the optical equivalent of a conventional circulator
• Circulator pump, a pump that is used to circulate gases, liquids, or slurries in a closed circuit
• Downtown circulator, a road or bus system that distributes traffic or people through a downtown area
  • DC Circulator, a bus system in Washington, D.C.