A vehicle lower body structure (1) including a vehicle compartment; a windshield pillar (3) that is provided at the side portion the vehicle and that extends in the vehicle-height direction; a rocker (4) that is connected, at the front end portion, to the lower end portion of the windshield pillar (3) and the extends in the longitudinal direction of the vehicle; a floor tunnel member (5) that is provided at the lateral center portion of the vehicle and that extends in the longitudinal direction of the vehicle; a floor cross-member (6) that is connected to the rocker (4) and the floor tunnel member (5) and that extends in the vehicle-width direction; and a floor panel (7) that is connected to the windshield pillar (3), the rocker (4), the floor tunnel member (5), and the floor cross-member (6) and that forms the floor of the vehicle compartment.