A front
spoiler device configured to be installed on a vehicle having a vehicle width direction, a vehicle upward direction, a vehicle downward direction, a vehicle forward direction, and vehicle rearward direction, has a front bumper, a bumper
fascia that forms an outer surface of the front bumper, a
spoiler supporting
flange portion extending in the vehicle rearward direction from a lower end of the bumper
fascia, a
spoiler body extending along the lower end of the bumper
fascia in the vehicle width direction, the spoiler body being provided with a vertical wall portion facing the vehicle forward direction, and two diffuser portions, each of which is connected to each lateral end of the spoiler body, each of which extends in the vehicle downward direction and in the vehicle width direction along a corner portion of each lateral end on the lower end of the bumper fascia.