A vehicle seat having a frame and a shield mounted thereto, wherein the frame has a hole portion or an insertion portion, the shield has an insertion part which is inserted into the hole portion or a hole part into which the insertion portion is inserted, the engaging portion of the shield engages with the engaged portion of the frame in a state where the infix portion is inserted into the cavity portion, and the cavity portion is arranged such that a direction in which the infix portion is inserted into the cavity portion is a direction intersected with the insertion direction of the insertion part relative to the hole portion or the direction intersected with the insertion direction of the insertion portion relative to the hole part.