To provide a wall installed folding chair installed at a vestibule, a corridor, a kitchen, near a telephone installed place, or the like of a house, an apartment house, or the like, particularly mounted to the vestibule so as to be suitable to facilitate work of putting on and taking off shoes and stored at the wall surface of the vestibule during nonuse so as to be able to use vestibule space to the maximum.

This wall installed folding chair is composed of a frame body A with a pair of parallel longitudinal column parts 1, l; a seat plate 8 vertically rotatable with one end side pivotally connected between a pair of longitudinal column parts 1, 1; a pair of leg members 9, 9 with the upper end parts pivotally connected to the back face side and the rotating free end side of the seat plate 8; and a pair of crosspiece members 11, 11 with one end side pivotally connected to the frame body A side and with the other end side pivotally connected to a pair of leg members 9, 9 so as to be always kept parallel with the seat plate 8.