Knights of the Old Republic could mean several things:
- Knights of the Old Republic Campaign Guide - A role-playing game campaign guide
- Knights of the Old Republic: Opportunities - A Star Wars Miniatures mini-adventure by Wizards of the Coast
- Star Wars: Tales of the Jedi - A graphic novel set in 4000 BBY published by Dark Horse Comics
- Star Wars: Knights of the Old Republic - A comic book series based on the below video games, set in 3964 BBY–3963 BBY, published by Dark Horse Comics
- Star Wars: Knights of the Old Republic: War - A comic book series following the story of the above one, published by Dark Horse Comics