Disclosed is a palatal implant for an overdenture. The palatal implant for an overdenture according to one embodiment of the present invention comprises: an implant insertion body which is inserted in a predetermined insertion position of the palatal by means of operation of a screw portion formed on the outer surface of an overdenture and a head which has a cuff connected to the upper portion of the implant insertion body, and which is externally exposed from the insertion position.