Vehicle Seat

To reduce an amount of rear protrusion of a vehicle seat equipped with an airbag module configured to deploy rearward, in a vehicle seat () provided with a seat cushion () and a seat back (), the seat back includes: a seat back frame () including a pair of left and right side frames () extending in a vertical direction and an upper frame () connecting upper ends of the side frames to each other; an airbag module () supported by an upper half of the seat back frame via a bracket (); and a skin member () covering the seat back frame, the bracket, and the airbag module from a rear side thereof, wherein a part of the skin member corresponding to the airbag module is provided with a frangible portion () configured to open upon inflation of an airbag ().