It is provided a vehicle rear lamp structure that can effectively utilize light that is illuminated from a light source. A door side lamp portion of a rear combination lamp has a housing that supports an incandescent bulb for a back lamp, and a lens that covers the incandescent bulb for the back lamp by being fixed to the housing, and transmits light illuminated from the incandescent bulb for the back lamp. Further, a garnish is mounted to the door side lamp portion. A surface at the lens side of the garnish reflects light, that is illuminated from the incandescent bulb for the back lamp, toward a vehicle rear side. Due thereto, light illuminated from the incandescent bulb for the back lamp can be utilized effectively.