CONVEYANCE SEAT

A conveyance seat accommodable in a recess of a floor includes: a seat cushion; a front leg portion which supports a front lower portion of the seat cushion and of which one end is rotatably fixed at the front lower portion of the seat cushion and the other end is detachably fixed at a position in front of the recess; a rear leg portion which supports a rear lower portion of the seat cushion and of which one end is rotatably fixed at the rear lower portion of the seat cushion and the other end is rotatably fixed to the floor inside the recess; and an arm portion of which one end is rotatably fixed to the rear leg portion and the other end is fixable to the floor at a position behind the other end of the rear leg portion.