VEHICLE SEAT

A vehicle seat having a sub-frame with enhanced rigidity is provided. The vehicle seat comprises a seatback (1) including a main frame (2) and a sub-frame (3) suspended from the main frame (2) while being allowed to swivel. The sub-frame (3) includes a pair of lateral members (5) extending vertically on both right and left sides of the sub-frame (3), and a reinforcement member (6) connecting the lateral members (5). The reinforcement member (6) is situated behind the lateral members (5) in a longitudinal direction of the vehicle.