According to a pedal support structure, the slide comprises two slide portions constituted of the first and second contact points and the first and second guide faces. Further, these contact portions and these guide faces are respectively located longitudinally separately from each other, and are located so as to be offset from each other in the vehicle width direction, whereby the first and second contact portions and the first and second guide faces can be located substantially horizontally.Accordingly, there can be provided the pedal support structure which can improve flexibility of a layout of the guide face to guide a position change of a pedal bracket and to make the structure compact.