The main antagonists in BioWare videogame Star Wars: Knights of the Old Republic and Obsidian Entertainment videogame Star Wars: Knights of the Old Republic II: The Sith Lords are;
Star Wars: Knights of the Old Republic
- Darth Malak - the Dark Lord of the Sith and the leader of the Sith Empire in a war against the Jedi Order and the Galactic Republic.
- Darth Bandon - the Sith apprentice of Darth Malak.
- Saul Karath - the commander of the Sith Navy.
Star Wars Knights of the Old Republic II: The Sith Lords
- Darth Traya - the Lord of Betrayal in the Sith Triumvirate.
- Darth Sion - the Lord of Pain.
- Darth Nihilus - the Lord of Hunger.
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