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- Dargenk Island: the island holding the Falok Empire's base.
- Dazhi Island: from the novel The Return of the Condor Heroes by Jinyong
- Death Queen Island: from Saint Seiya.
- Deist: from Final Fantasy II
- Delfino Isle: from the Nintendo Gamecube game Super Mario Sunshine
- Destiny Islands: from the video game Kingdom Hearts
- Devon Island: from James A. Michener's novel Chesapeake
- Dinobot Island: The Transformers
- Dinosaur Island: The island where the Dinosaurs live (DC Comics).
- Dinotopia
- Dolphin Island: (off Australia) in the novel by Arthur C. Clarke
- Dragon Roost Island: from the Nintendo Gamecube game The Legend of Zelda: The Wind Waker
- Dragon, Tiger and Turtle Islands: in the children's novel Missee Lee by Arthur Ransome
- Drum Kingdom An island in the OnePiece manga series where Chopper joins the crew
Read more about this topic: List Of Fictional Islands