A golf club head includes a face portion including a hitting face for striking a ball, a sweet spot on the hitting face, a toe, a back face opposite the hitting face, and a first thin-walled region formed by being recessed the back face. In a front view of the face portion viewed from a direction orthogonal to the hitting face, the first thin-walled region is provided in a toe-upper region that is a region above and on a toe side with respect to the sweet spot, the first thin-walled region is provided outside a region having a radius of 5 mm centered on the sweet spot, and an area of the first thin-walled region is in a range from 15% to 70% of an area of the toe-upper region.