The disclosure relates to a lighting device. The lighting device includes a body including a side wall and a base disposed on the side wall; a light source which is disposed below the base of the body; a power supply which is disposed on the base of the body to supply a power to the light source; and a clip including a connection portion and an extension portion extending from the connection portion and disposed on the side wall of the body, wherein the extension portion of the clip has at least one bent portion which is bent toward the side wall of the body.