A vehicle seat may include a seat main body having a seat cushion, a rotation mechanism that is arranged and constructed to horizontally rotate the seat main body with respect to a vehicle floor, a vertically moving mechanism that is arranged and constructed to vertically move the seat main body while moving the seat main body between vehicle interior and vehicle exterior, and a seat support that is capable of attaching the seat main body to the vertically moving mechanism. A cushion frame of the seat cushion is composed of a pair of longitudinal side frame elements, an anchor frame positioned between the side frame elements and anchor members attached to the anchor frame. The anchor frame is connected to the seat support via reinforcement members.