To provide an input device which can lessen pushing force and is excellent on operability.

In the input device 100 having a board 20 and a key top member 10 arranged above the board 20, the key top member 10 has at least an operation panel 13 having an operation surface, and a conductive member 14 fixed on a back face of the operation panel 13 so as to stick out at a board 20 side and made of a conductive elastic body. A sensor section 30 is arranged on the board 20 so as to face to at least a part of the conductive member 14, and a recessed section 17 recessed from the back face to the front surface of the operation panel 13 is arranged at a position of a back side of the conductive member 14 on the operation panel 13.

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