An endoscope tip part has impact resistance even when applied to a thin endoscope, and the light distribution characteristics thereof can be improved even at a wide angle of view. Provided is an endoscope tip part (1) including a tip part main body (4) that is attached to the tip of an insertion section (3) of an endoscope (2) and a positive-power transparent-plastic tip lens (5) that is integrated with the tip part main body (4) through two-color molding. The tip lens (5) is a lens that is located closest to an object, among optical elements constituting an illumination optical system (9) of the endoscope (2), and the tip part main body (4) is provided with an insertion hole (13) into which two positive-power rear lenses (11 and 12) that will be disposed behind the tip lens (5) are inserted.