A vehicle seat structure that includes: a seatback that is provided at a seat rear side of a seat cushion so as to be able to tilt in a seat front-rear direction with respect to the seat cushion, and that can support an upper body of a vehicle occupant; a headrest that is provided at a side of the seatback, which side is opposite from a side at which the seat cushion is located, and that can support a head portion of the vehicle occupant; and shoulder restraining portions that are provided at the headrest or at the headrest side of the seatback, and that, by protruding out toward a vehicle occupant side at a time of an emergency of a vehicle, restrain both shoulders of the vehicle occupant in a case in which the vehicle occupant has moved along the seatback toward the headrest side.