A vehicle seat including a seat cushion including a cushion body that supports buttocks of an occupant, and cushion side portions disposed on both seat width direction sides of the cushion body, a seatback including a back body that supports a back of the occupant, and back side portions disposed on both seat width direction sides of the back body, and an adjustment mechanism including at least one of a cushion adjustment mechanism that on actuation moves the cushion body in a seat up-down direction with respect to the cushion side portions and pivots the cushion body about an axis running along the seat width direction, or a back adjustment mechanism that on actuation moves the back body in a seat front-rear direction with respect to the back side portions and pivots the back body about an axis running along the seat width direction.