An air conditioning seat includes a seat pad having a seating portion and a side support portion, blowing means for blowing air to an air path formed at the seat pad, a seat cover covering the seat pad, and a net-like cushion member capable of permeating air in a thickness direction and in a plane direction. An air path is formed at the seating portion of the seat pad. A hanging groove in a groove-like shape is recessed and on a boundary line of the seating portion and the side support portion. The an air blow out port of the air path is covered by the net-like cushion member. A communicating path reaching the net-like cushion member of the side support portion from the air path of the seating portion is formed by passing a back side of the hanging member at inside of the hanging groove.