Provided is a vehicle body front structure including a front hood (7) provided in a front part of a vehicle body (3), and a port device (30) mounted to the vehicle body and positioned under the front hood. The front hood includes an outer panel (7A) and an inner panel (7B) attached to a back side of the outer panel, the outer panel and the inner panel defining a port opening (21) facing the port device and passed through the outer panel and the inner panel in a thicknesswise direction thereof, and being welded to each other along a peripheral edge (22) of the port opening, and a garnish (23) is provided on an outer surface of a peripheral part of the outer panel surrounding the port opening, and a lid (58) for selectively closing the port opening is provided on the vehicle body.