Masamitsu (written: 正光, 正満, 成光, 政光, 将光 or 雅光) is a masculine Japanese given name. Notable people with the name include:
, Japanese baseball player , Japanese daimyō , Japanese sport wrestler , Japanese footballer , Japanese footballer , Japanese politician , Japanese politician , Japanese scientist , Japanese printmaker , Japanese Go player
See also 47293 Masamitsu, a main-belt asteroid