The flashing headlight for a motorcycle is a safety device for motorcycles and other vehicles such as all-terrain vehicles or bicycles. It is a supplemental headlight that is mounted by the headlight of a vehicle. An embodiment of the disclosure meets the needs presented above by generally comprising a flashing headlight for a motorcycle that flashes once per second to alert other drivers on the road to the position of the motorcycle. The flashing headlight for a motorcycle is intended to be operated only during daylight hours and includes circuitry to disable operation in darkness.