Chainsaw Man is a Japanese manga series written and illustrated by Tatsuki Fujimoto. Its first part was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from December 2018 to December 2020; Its second part began serialization in Shueisha's Shonen Jump+ online magazine in July 2022. Its chapters have been collected into 12 tankōbon volumes as of October 2022.
Chainsaw Man follows the story of Denji, a poor young man who makes a contract that binds his body to his will. A dog-like devil named Pochita, which grants him the ability to transform parts of his body into chains. Denji eventually joins the Public Safety Devil Hunters, a government agency that focuses on fighting against devils whenever they become a threat to Japan. The second arc of the story focuses on high school student Asa Mitaka, who goes into a contract with Yoru the War Devil, which forces her to hunt the Chainsaw Man in order to get back the devils stolen from him.
In North America, the manga is licensed in English by Viz Media for both print and digital release, and is also published by Shueisha on the Manga Plus online platform. An anime television series adaptation produced by MAPPA premiered in October 2022.
As of November 2022, the manga had over 20 million copies in circulation, making it one of the best-selling manga series. In 2021, it won the 66th Shogakukan Manga Award in the shōnen category and won the Harvey Award in the Best Manga category in 2021 and 2022. In the context of the story, its violent scenes have been especially highlighted.