An electric vehicle seat stowing structure having a swing drive mechanism for swinging a seat cushion between a seating position and a stowing position, the swing drive mechanism provided on a floor of a vehicle in the vicinity of a wheel house including a group of reduction gears disposed in a gear case or in a bracket and an actuator for driving the group of reduction gears placed vertically on a side of the gear case or the bracket and a striker for locking the seat cushion to the seating position.