Motoharu is a masculine Japanese given name. Notable people with the name include:Gosho Motoharu , Japanese kobudoka Motoharu Hirano , Japanese sport shooter Kikkawa Motoharu , Japanese daimyō Motoharu Kurosawa , Japanese racing driver Motoharu Matsumura , Japanese cross-country skier Motoharu Okamura , Japanese naval aviator Motoharu Sano , Japanese musician Yamaji Motoharu , Japanese general Motoharu Yoshizawa , Japanese bass guitarist