An accelerator pedal device according to the present invention includes: a pedal lever that is provided so as to be rotatable with respect to a vehicle body; a pedal member that is actuated by being stepped upon by a driver; a rotation support device that rotatably supports the pedal member upon the pedal lever so that an angle subtended between the pedal lever and the pedal member is variable; and a reaction force application device that applies a reaction force to the pedal member via the pedal lever.