A knee bolster structure includes a vehicle-side member, a knee-receiving member, an impact-absorbing section for absorbing an input energy from knees of a driver or front-seat passenger when the knees hit the knee-receiving section, and a knee-receiving member movement section for moving the knee-receiving member to a knee-receiving position for the driver or front-seat passenger, said knee-receiving member being attached to the vehicle-side member via the impact-absorbing section and the knee-receiving member movement section, the impact-absorbing section being structurally separated from the knee-receiving member movement section.