Rotating beacon may refer to:
- Aerobeacon, a light assembly used to create a fixed or flashing signal visible over long distances
- Aerodrome beacon, a beacon installed at an airport or aerodrome to indicate its location to aircraft pilots at night
- Airway beacon, a rotating light assembly mounted atop a tower
- Emergency vehicle lighting, one or more visual warning lights fitted to a vehicle
- Lighthouse, a physical structure designed to emit light for navigational aid