| ARTIFACTS | FOOD | Captain Diego | P2 | ||
| Denevan Crystals | P3 | Doughnut | P1 | Decker | P1 |
| Hogan's Uniform | P4 | INCIDENTS | Dell | P3 | |
| DILEMMAS | Day of Honor | P2 | Dorado | P4 | |
| Arctic Environment | P1 | Deus ex Machina | P3 | Ezri Dax | P1 |
| Chemical Burns | P2 | INTERRUPT | Matthew Dougherty | P1 | |
| Derada | P3 | Follow the Voth Nose | P2 | Sarina Douglas | P3 |
| Dictates of Poetics | P4 | MISSIONS | PERSONNEL - KLINGON | ||
| Hirogen Hunters | P4 | Bolster Defense Perimeter | P1 | Doran | P2 |
| Son'a Drones | P1 | Build Medical Facility | P | PERSONNEL - NON-ALIGNED | |
| They Walk in Dreams | P2 | Demon Planet | P4 | Bobby Davis | P2 |
| Thieves' District | P3 | Equipment Swap | P3 | Daelen | P3 |
| Too Loud! | P4 | Investigate Assimilation | P2 | Dejaren | P1 |
| EQUIPMENT | Psychiatric Care | P1 | Daleth | P4 | |
| Dynamite | P3 | PROGRAMS | Dammar | P4 | |
| EVENTS | Da Vinci Workshop | P1 | Defender Chakotay | P4 | |
| "Deep Space Nine" | P1 | Day of Honor Program | P2 | Dumah | P2 |
| Demon Doubles | P4 | Don Carlo | P3 | Mademoiselle de Neuf | P3 |
| Dispersion Field | P1 | Family Program | P4 | Yedrin Dax | P4 |
| Distant Origin | P2 | The Dunes | P3 | SHIPS-FEDERATION | |
| Growin' Drone | P3 | SITE | Delta Flyer | P2 | |
| The Dark Time | P2 | Deuterium Injector | P2 | USS Destiny | P1 |
| The Web That Unites Us All | P4 | PERSONNEL - FEDERATION> | SHIP-NON-ALIGNED | ||
| USS Dauntless | P4 |