To provide a heated toilet seat having high reliability, while imparting heat efficiently to a safety device.

A heated toilet seat includes a toilet seat having a seat part, a heating body unit provided on the rear surface of the toilet seat, and a temperature excessive rise prevention device connected to the heating body unit, for detecting abnormal temperature rise of the toilet seat and blocking electric conduction to the heating body unit. The temperature excessive rise prevention device is provided on the rear surface side of the heating body unit, and the heating body unit is also provided on the rear surface side of the temperature excessive rise prevention device.