To easily and stably fix a cover to the body side.

This luminaire with a human body sensor is provided with a resin body 3 provided with a lamp socket 1 and the human body sensor 2 at the lower face, and a resin cover 4 for covering the body 3 from the lower face. The cover 4 is formed with a socket hole 5 and a sensor hole 6 which the lamp socket 1 and the human body sensor 2 respectively face. The cover 4 is fixed to the body 3 side near the outer peripheral part of the lamp socket 1, and when the cover is fixed, the sensor hole 6 abuts on the outer peripheral part of the human body sensor 2. As an example of fixing the cover 4 to the body 3 side near the outer peripheral part of the lamp socket 1, bosses 7 for fastening screws for fixing the cover 4 to the body 3 side is formed at the outer peripheral part of the lamp socket 1. The bosses 7 are provided deviating from a center angle, avoiding a threaded hole 9, and a screw with a knurled knob 10 fastened to the boss 10 is shown as the screw.