A wire harness protector having a grounding function and including a protector main body with a housing portion where a wire harness can be inserted and housed; a vehicle fixing portion protruding from the protector main body; and a conductive metal fitting where one end portion is configured to be fixed by bolting to the vehicle fixing portion and also to a vehicle body, and a ground terminal connecting portion is provided in another end portion. The wire harness protector is configured such that a ground terminal branched to extend from the wire harness can be connected to the ground terminal connecting portion, the ground terminal connecting portion includes a bolt-like portion protruding into the housing portion. The wire harness protector makes it possible to effectively improve assembly work efficiency, and possible to stabilize and suppress poor contact points.