A vehicle seat of the present invention includes a seatback frame, a backrest section that supports a back of an occupant, a swivel-coupling section that couples the backrest section and that is capable of swiveling with respect to the seatback frame in a seat width direction, and an outer periphery support section that couples plural locations at an outer peripheral side of the backrest section to the seatback frame, that supports the backrest section with respect to the seatback frame, and that permits the backrest section to swivel.