Vehicle Seat

Provided is a vehicle seat having a seat back that can be folded forward, in which the buckle is prevented from interfering with the seat hack when the seat back is folded forward. A seat cushion frame (F) rotatably attached to the seat back frame (F) includes a pair of side frames () extending in a fore and aft direction, a front frame () extending between front parts of the side frames, and a rear frame () extending between rear parts of the side frames and provided with a curved portion (A) protruding forward in a middle part thereof. A buckle support arm is located behind the curved portion, the curved portion being dimensioned so as not to interfere with the buckle when the buckle support arm is in a stowed position.