Doma (in Japanese: 童磨, Dōma) is a major antagonist in the manga/anime series Demon Slayer: Kimetsu no Yaiba. He is a powerful Demon under Muzan Kibutsuji and the Upper Moon Two (formerly Six) of the Twelve Demon Moons.
He is the leader of a cult named the Eternal Paradise and is responsible for the deaths of Inosuke Hashibira's mother, Kotoha, and Kanae Kocho, the elder sister of Shinobu Kocho and the adoptive older sister of Kanao Tsuyuri. As a result, he is the archenemy of Shinobu, Kanao and Inosuke.