Hiroshi Masumura is a Japanese manga artist. He is best known for his adaptations of Kenji Miyazawa's children novels, including his work on the anime film Night on the Galactic Railroad (1985), and for several manga series set in the fantasy universe Atagoul. Several of his manga feature anthropomorphic cats as protagonists.

Kenji Miyazawa was a Japanese novelist, poet, and writer of children's literature from Hanamaki, Iwate, in the late Taishō and early Shōwa periods. He was also known as an agricultural science teacher, a vegetarian, cellist, devout Buddhist, and utopian social activist.