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- Figrin D'an - portrayed by Rick Baker
- Leader of the Bith band "Figrin D'an and the Modal Nodes" who first appeared in Star Wars Episode IV: A New Hope while playing in the Mos Eisley Cantina.
- Admiral Natasi Daala
- Antagonist introduced in the Jedi Academy trilogy, returning in Darksaber, Planet of Twilight, and Death Star. In the Legacy of the Force series, Daala becomes the chief of state of the Galactic Federation of Free Alliances.
- Da'Gara
- A Yuuzhan Vong character who served as one of the antagonists in the first of The New Jedi Order novels, Vector Prime. He was killed when the world of Helska IV, which was on, exploded because of the actions of the New Republic.
- Hego Damask
- The birth name (and alias) of Darth Plagueis.
- Joclad Danva
- Human Jedi Knight from Attack of the Clones. Uses a green lightsaber in the Battle of Geonosis, where he is killed.
- Biggs Darklighter – portrayed by Garrick Hagon
- Luke Skywalker's friend from Tatooine who helps in attacking the Death Star. Biggs' reunion with Luke was cut from the theatrical release of A New Hope but restored for the Special Edition release.
- General Oro Dassyne – voiced by Terrence Carson
- A Separatist General and an agent of the Corporate Alliance who commanded the CIS' forces on Bomis Koori IV.
- Gizor Delso
- A Geonosian separatist who survived Darth Vader's slaughter of the remaining separatist leaders and created his own droid army. He had plans to make a new Battle Droid until Imperial Stormtroopers of the 501st legion raided his factory on Mustafar and destroyed his plans. Gizor never made it off the planet.
- Dengar – portrayed by Morris Bush
- Corellian bounty hunter who appeared in The Empire Strikes Back.
- Bren Derlin – portrayed by John Ratzenberger
- Rebel officer in The Empire Strikes Back.
- Desann – voiced by Mark Klastorin
- Dark Jedi antagonist in Star Wars Jedi Knight II: Jedi Outcast.
- Darth Desolous
- A male Pau'an Dark Lord of the Sith. Once a revered Jedi Master, he loses his proper identity after falling to the dark side of the Force. Appears in the video game Star Wars: The Force Unleashed.
- D'harhan
- Niordi bounty hunter who underwent cybernetic enhancement to have his head turned into a laser cannon. Longtime associate and ally of Boba Fett.
- Ima-Gun Di – portrayed by Robin Atkin Downes
- Jedi Master in Star Wars: The Clone Wars.
- Grand Moff Vilim Disra
- Imperial antagonist in the Hand of Thrawn duology and in the novel Allegiance.
- Teneniel Djo
- Witch of Dathomir appearing in The Courtship of Princess Leia. Married to Isolder, mother of Tenel Ka.
- Lott Dod - portrayed by Silas Carson and voiced by Toby Longworth (Episode I) and Gideon Emery (The Clone Wars)
- Neimoidian senator of the Trade Federation, representing the trade conglomerate's interests in the Galactic Senate.
- Jan Dodonna – portrayed by Alex McCrindle
- Rebel general who plans the starfighter attack on the first Death Star, and the first character to utter the phrase, "May the Force be with you".
- Count Dooku – portrayed by Christopher Lee
- Separatist leader and Sith apprentice also known as Darth Tyranus. Dooku severs Anakin Skywalker's right forearm in Attack of the Clones, and Skywalker kills Dooku in Revenge of the Sith by severing his head—AFTER severing both of Dooku's hands at the wrist—in return.
- Dormé – portrayed by Rose Byrne
- The handmaiden to Senator Padmé Amidala, in Star Wars: Episode II – Attack of the Clones.
- Grand Moff Dunhausen
- A high-ranking Imperial officer and member of the Central Committee of Grand Moffs. Dunhausen is predominantly known for two things: his scheming nature and for always wearing a pair of blaster-shaped earrings. He owns the droid 3B6-RA-7. He is first featured in the novel The Glove of Darth Vader.
- Captain Dunwell
- Assists Trioculus in his search for Darth Vader's glove. Killed after his submarine explodes. First featured in the novel The Glove of Darth Vader.
- Kyp Durron
- Jedi Master who first appears in Kevin J. Anderson's Jedi Academy Trilogy.
- Lok Durd - voiced by George Takei
- Neimoidian weapon designer who served as a Separatist General; developed an experimental defoliator to be used by the CIS.
- Durge – voiced by Daran Norris
- A Gen'Dai bounty hunter, Durge is one of the few violent members of his kind. As depicted in the Clone Wars mini series, Durge confronted Obi-Wan Kenobi on Muunilinst before being defeated by the Jedi.
Read more about this topic: List Of Star Wars Characters