A golf club head is provided with a face portion comprising: a central thick part having a thickness Tc; a crown-side thick part having a thicknesses Tr; a sole-side thick part having a thicknesses Tr; a toe-side thinner part having a thickness TT; and a heel-side thinner part having a thickness TH, wherein: (1) Tc>=Tr>TT and (2) Tr>TH are satisfied; and the centroid of the central thick part is positioned on the toe-side of an extension of a widthwise center line of the crown-side thick part towards the sole and further positioned on the heel-side of an extension of a widthwise center line of the sole-side thick part towards the crown.