Masanobu (written: , , , , , , , or ) is a masculine Japanese given name. Notable people with the name include:
*, Japanese ''kugyō''
*, Japanese painter
*, Japanese samurai
*, Japanese ''daimyō''
*, Japanese print designer, book publisher and painter
*, Japanese ''daimyō''
*, Japanese military leader
*, Japanese farmer and philosopher
*, Japanese sumo wrestler
*
Masanobu Shinozuka (born 1930), Japanese engineer
*, Japanese film director
*, Japanese footballer
*, Japanese sport shooter
*, Japanese rower
*, Japanese video game designer
*, Japanese professional wrestler
*, Japanese karateka
*, Japanese golfer
* (born 1966) Japanese actor
*, Japanese footballer
*, Japanese actor
{{DEFAULTSORT:Masanobu
Japanese masculine given names