| Derek Brewster | Developer | |
| Derek Caelin | Developer | |
| Derek Gieraltowski | Developer | |
| Derek Smart | Developer | |
| Derek Wilson | Developer | |
| Derek Yu | Developer | |
| Derivas | Developer | |
| Dermot | Developer | |
| DerpyDino35 | Developer | |
| Derpylag40 | Developer | |
| Derrick Austin | Developer | |
| Derrick P Rowson | Developer | |
| Dervish934 | Developer | |
| Des O'Toole | Developer | |
| Desarrollador | Developer | |
| Descendant Studios | Developer | |
| Desces | Developer | |
| Desenha | Developer | |
| Desert Fox | Developer | |
| Desert Hare Studios | Developer | |
| Desert Owl Games | DeveloperPublisher | |
| Desert Productions | Developer | |
| Desertor1993 | Developer | |
| Desichan | Developer | |
| Design Design | DeveloperPublisher | |
| Design Factory | Developer | |
| Design Imps | Developer | |
| DesignStar Consultants | Developer | |
| DesignStar Consultants, Inc. | Developer | |
| DesignTalks | Developer | |
| DesignWare | DeveloperPublisher | |
| DesignYoukai | Developer | |
| Designer Software | DeveloperPublisher | |
| Designer Software (Jimmy Huey) | Developer | |
| Designlabs. | Developer | |
| Designware | Publisher | |
| Designware Consultants | Developer | |
| Desire | DeveloperPublisher | |
| Desktoy | Developer | |
| Desmó | Developer | |
| DespairStudio | Developer | |
| Despance | Developer | |
| DespawnGames | Developer | |
| Desperados Studio | Developer | |
| DesseilleRemy | Developer | |
| Dessert Lynx | Developer | |
| Destan Entertainment | Developer | |
| Destin715 | Developer | |
| Destination Design | Developer | |
| Destination Games | Developer | |