Masaharu (written: , , , , , , , , , or ) is a masculine Japanese given name. Notable people with the name include:

, Japanese writer , Japanese singer-songwriter, musician and actor , Japanese general , Japanese businessman , Japanese daimyō , Japanese video game composer Masaharu Kondo (born 1956), Japanese bureaucrat , Japanese diplomat , Japanese businessman , Japanese chef , Japanese dermatologist , Japanese politician , Japanese politician , Japanese footballer , Japanese voice actor , Japanese footballer , Japanese swimmer , Japanese philosopher , Japanese cinematographer , Japanese samurai , Japanese weightlifter , Japanese cross-country skier , Japanese daimyō

See also 5850 Masaharu, a main-belt asteroid