Abstract: The present invention provides a golf club head and a golf club by which at least a lie angle, an offset of a striking surface, and the moment of inertia can be adjusted. This golf club head has: a head main body provided with a face surface part constituting a face surface; a hosel part which is provided in the head main body, and to which a golf club shaft is attached; adjustment weights provided on the head main body; a lie angle adjustment part for changing the lie angle; and an offset adjustment part for changing the distance between the face surface and the hosel part. The head main body is provided with a projecting part on the upper surface that projects outward in a half cylinder shape, and flat parts that are provided on both sides of the projecting part, and the hosel part is provided on the projecting part and the adjustment weights are respectively provided on the flat parts. The golf club has the golf club head.