Moriarty the Patriot (Japanese: 憂国のモリアーティ, Hepburn: Yūkoku no Moriāti) is a Japanese mystery manga series with storyboards by Ryosuke Takeuchi [ja] and illustrated by Hikaru Miyoshi [ja], based on Sir Arthur Conan Doyle's Sherlock Holmes series.

It has been serialized in Shueisha's shōnen manga magazine Jump Square since August 2016, with its chapters collected in 19 tankōbon volumes as of February 2023.

Due to the strict class stratification, the average citizen has little chance of successfully rising up to the top, where the despicable nobility rules over them all.

[13][14] The focus of the series wound up on Professor Moriarty instead, and Takeuchi has said despite liking heroes as a child, he began to empathize with villains as he grew older.

[21][22] A manga adaptation of the spin-off novel series, written by Yōsuke Saita, titled Moriarty the Patriot: The Remains, started in Jump Square on March 3, 2023,[23][24] and finished on July 4, 2024,[25] with its chapters collected in three volumes.

[67][68] The musicals starred Shogo Suzuki as William James Moriarty and Ryo Hirano as Sherlock Holmes.

[72] The stage play starred Yoshihiko Aramaki as William James Moriarty and Ryo Kitamura as Sherlock Holmes.

[73] The series was directed by Kazuya Nomura at Production I.G, with Tooru Ookubo designing the characters and serving as chief animation director.

Gō Zappa and Taku Kishimoto were in charge of scripts, and Asami Tachibana composed the music.

[75] While the first episode was pre-screened on September 21, 2020,[76] the first half of the series officially aired from October 11 to December 20, 2020, on Tokyo MX, BS11, and MBS.