Moriarty the Patriot is a Japanese mystery manga series with storyboards by Ryosuke Takeuchi and illustrated by Hikaru Miyoshi, based on Sir Arthur Conan Doyle's Sherlock Holmes series. It focuses on Holmes' nemesis, William James Moriarty. It has been serialized in Shueisha's shōnen manga magazine Jump Square since August 2016, with its chapters collected in 22 tankōbon volumes as of March 2026.