| Direct Action | Developer | |
| Direct Action Games | Developer | |
| Direct2Drive | Publisher | |
| DirectDoggo | Developer | |
| Directed by- enfrnz | Developer | |
| DirectingZeus | Developer | |
| Director | Developer | |
| Direlight | DeveloperPublisher | |
| DirigoGames | Developer | |
| Dirk Olivier | Developer | |
| Dirk Plate | Developer | |
| Dirk the Red Panda | Developer | |
| Dirtbike and Pinwheel | Developer | |
| Dirty Distractions Done Dirt Cheap | Developer | |
| DirtyBug | Developer | |
| DirtyLambStudio | Developer | |
| DisasterSquad | Developer | |
| DiscMacabre | Developer | |
| Disco Yaya Studios | Developer | |
| Discordula | Developer | |
| Discount Devils | Developer | |
| Discovery | DeveloperPublisher | |
| Discovery Channel | Publisher | |
| Discovery Channel Multimedia | Developer | |
| Discovery Communications | Publisher | |
| Discovery Software | DeveloperPublisher | |
| Disguise | Developer | |
| Disguised Games | Developer | |
| DishonoredBrotherhood | Developer | |
| Disk Poppy | Developer | |
| Disk-Count Software | DeveloperPublisher | |
| Disket | Developer | |
| Disney | DeveloperPublisher | |
| Disney Interactive | DeveloperPublisher | |
| Disney Interactive NA | Publisher | |
| Disney Interactive Software | DeveloperPublisher | |
| Disney Interactive Studios | DeveloperPublisher | |
| Disney Interactive StudiosAU | Publisher | |
| Disney Interactive StudiosNA | Publisher | |
| Disney Interactive StudiosNA, PAL | Publisher | |
| Disney Interactive StudiosPAL | Publisher | |
| Disney InteractivePAL | Publisher | |
| Disney Interactve | Developer | |
| Disney Software | Publisher | |
| Dispari | Developer | |
| Disparity Games | DeveloperPublisher | |
| Dispatch Games | Publisher | |
| Disperity Games | DeveloperPublisher | |
| Disprosoft | Publisher | |
| Disrate Studios | Developer | |