To provide an overhang type sliding door, in which the lower end section of a guide pin suspended from the lower end of a door panel is engaged surely into a grooved rail so as not to be slipped off and slid smoothly, which sufficiently fulfills a guide function on the lower side and in which maintenance such as cleaning is also facilitated.

The guide pin 2 is suspended and held vertically slidably at the lower end of the door panel 1 overhung and supported in a freely traveling manner, and the lower end section of the guide pin 2 is engaged slidably in the upwards opened grooved rail 3.