Written and illustrated by Koyoharu Gotouge, Demon Slayer: Kimetsu no Yaiba was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from February 15, 2016, to May 18, 2020.
Shueisha collected its chapters in twenty-three individual tankōbon volumes, released from June 3, 2016, to December 4, 2020.
Shueisha simultaneously published the series in English on the Manga Plus service starting January 2019. Viz Media published the first three chapters in its digital magazine Weekly Shonen Jump as part of the "Jump Start" program.
During their panel at San Diego Comic-Con on July 20, 2017, Viz announced that they had licensed the manga for the North American market. The first volume was released on July 3, 2018.