A vehicle seat that includes: a support bracket that is provided at a floor of a vehicle; a rotation bracket that is coupled to the support bracket; a lock member that is provided at the floor; a lower rail being fixed to the rotation bracket and being locked by the lock member; an upper rail that is attached to the lower rail so as to be capable of sliding in a vehicle front-rear direction; a seat body that is fixed to the upper rail; a rotation force application member that applies rotation force to the rotation bracket such that the lower rail rotates in a direction in which the seat body springs up; and a speed reduction member that reduces a rotation speed of the rotation bracket in a case in which the seat body springs up.