1 Darth Sidious
Sheev Palpatine (also known by his Sith identity Darth Sidious and publicly as Senator Palpatine, then Supreme Chancellor Palpatine, and later Emperor Palpatine) is a fictional character and one of the primary antagonists of the Star Wars franchise, mainly portrayed by Ian McDiarmid.
2 Darth Maul
Darth Maul is a fictional character in the science fiction franchise Star Wars. Trained as Darth Sidious's first apprentice, he serves as a Sith Lord and a master of wielding a double-bladed lightsaber. Darth Maul first appeared in Star Wars Episode 1 The Phantom Menace, and has also appeared in The ...read more.
3 Darth Vader
Darth Vader is a Star Wars character and the main antagonist of the first three original Star Wars films and the main protagonist of the Star Wars prequel trilogy under his original name Anakin Skywalker. He had been trained as a Jedi but defected to the Sith lord and Galactic Chancellor Palpatine. ...read more.
He is the epitome of evil, the darkest of the dark side, and the one who joined the Sith, not destroy them.
The original Star Wars Villain.
4 Kylo Ren
Kyle Ren is a fictional Sith lord, who is strong with the Force. Kylo Ren commands the First Order with a temper as fiery as his unconventional lightsaber. His debut was in 2015's Star Wars VII: The Force Awakens. Ren's real identity is Ben Solo, the son of Han Solo and Princess Leia. He was trained ...read more.
5 Darth Revan
Revan is a fictional character in BioWare's Star Wars: Knights of the Old Republic video game. The character may be either male or female, though Revan is canonically male and follows the game's light-side path. He also has his own Old Republic book in which he is a male human, turned Jedi, and turned ...read more.
6 Grand Admiral Thrawn
Grand Admiral Thrawn is a Chiss male from the Star Wars universe. He first appeared in Star Wars Heir to the Empire. Thrawn has more recently appeared in Star Wars Rebels, and also has a novel that was released in April 2017, titled Thrawn. In summer of 2018, Thrawn: Alliances will be released, where ...read more.
7 Count Dooku
Count Dooku of Serenno, from the House of Dooku is a fictional character from the Star Wars franchise, appearing in Star Wars: Episode II – Attack of the Clones and Star Wars: Episode III – Revenge of the Sith as a primary and minor antagonist respectively. He was portrayed by Christopher Lee and ...read more.
8 Grand Moff Tarkin
Grand Moff Wilhuff Tarkin is a fictional character in the Star Wars universe. Tarkin was Governor of the Outer Rim territories, and eventually earned the rank of Grand Moff in the Galactic Empire. Tarkin was also in charge of the production of the Death Star. Tarkin is killed when the Death Star is ...read more.
Well yes, but, he wasn't a sith lord.
9 General Grievous
General Grievous is a fictional character and antagonist in the Star Wars franchise. He served as the Supreme Commander of the Confederacy of Independent Systems' Droid Armies during the Clone Wars.
10 Darth Bane
Darth Bane is a legendary Sith from Star Wars. Darth Bane was one of the greatest Sith lords who ever lived in the Star Wars universe. Darth Bane's greatest accomplishment was creating the Rule of Two, making the Sith a secretive order with one master and one apprentice. The apprentice would learn everything ...read more.
11 Darth Nihilus
Darth Nihilus, The Lord of Hunger was a member of the Sith Triumvirate during the days of the Old Republic, he and Darth Sion nearly killed all the Jedi at the time in what would become known as the First Jedi Purge.