A golf club head that may increase the degree of freedom in design, a face of the golf club head, and a method of manufacturing the golf club head are provided. At least part of the golf club head includes an alloy, and the alloy includes Co and Fe in a total amount of 33 mass % to 65 mass %, Ni in an amount of 15 mass % to 35 mass %, Cr in an amount of 10 mass % to 25 mass %, Mo in an amount of 3 mass % to 12 mass %, at least one of Nb in an amount of 2 mass % or less and W in an amount of 5 mass % or less, and at least one of Mn in an amount of 2 mass % or less and Ti in an amount of 1 mass % or less.