In an endoscope image pickup unit including an image pickup device having connecting terminal portions on a back surface, and a flexible printed wiring board having a first region on which the image pickup device is mounted, a second region in which an external connection portion for connecting an electric cable is formed, a bent portion provided between the first region and the second region, and two conductive layers, input and output pads for performing input of a voltage to and input and output of signals to and from the image pickup device are disposed at a position closer to the bent portion than ground pads for connecting the image pickup device to a ground, and input and output wirings to be connected to the input and output pads are formed from a same conductive layer as the input and output pads.