- DC Comics
- DC Comics Timeline
- DC TNG, 2nd story arc
- DC TNG, 3rd story arc
- DC continuity
- DD-2
- DD-3
- DD-4
- DD-6
- DD-7
- DDG-10
- DDG-2
- DDG-3
- DDG-4
- DDG-6
- DDG-7
- DDG-8
- DDG-9
- DDL-2
- DDL-3
- DDL-4
- DDL-6
- DDL-7
- DDV T'Jal
- DDV Toth
- DD Tauri
- DD Tauri V
- DE-2
- DE-3
- DE-5
- DE-6
- DE-7
- DE-8
- DE-9
- DFC D'Kyr
- DFC Seleya
- DFC Sepok
- DFC Tal'Kir
- DIpeyj
- DIpeyj I
- DIpeyj II
- DIpeyj III
- DIyn'I
- DIyn'I I
- DIyn'I II
- DIyn'I II-A
- DIyn'I III
- DMV
- DNA
- DNA-resistant paper
- DO-2
- DP-7
- DQN 1196
- DRacla, son of Vok
- DS9 comics
- DS9 episodes
- DS9 games
- DS9 relaunch
- DS9 short stories
- DSC comics
- DT-262
- DTI Academy
- DTI Durant
- DTI Herodotus
- DTI Livy
- DTI Thucydides
- DVD
- DVel'nahr
- DY
- DY-100
- DY-1100 class
- DY-500
- DY-6000
- DY-700
- Da'Kel
- Da'Kel II
- Da'Kel III
- Da'Nikhirch
- Da'kum'Ulcha
- Da'v
- Da-leb
- DaSpu class
- DaSqor
- DaSqor I
- DaSqor I-A
- DaSqor I-B
- DaSqor II
- DaSqor III
- Da Capo al Fine
- Da Gama
- Da Nek
- Da Nek's son
- Da Vinci
- Da Vinci (SB4-0314/2)
- Da Vinci (USS Defiant)
- Da Vinci Research Base
- Da Vinci class
- Daa'V
- Daa'V system
- Daa'Vit
- Daa'Vit Confederacy
- Daavico Loang
- Dabinroot
- Dabisch
- Dabo
- Dabo girl
- Daborat
- Dace
- Dace System Patrol
- Daches'tel (23rd century)
- Daches'tel (24th century)
- Dack
- Dacoit
- Dacoit class
- Dactylus class
- Daedalus
- Daedalus's Children
- Daedalus (Centauran ship)
- Daedalus (episode)
- Daedalus (myth)
- Daedalus (novel)
- Daedalus (ship)
- Daedalus IV
- Daedalus class
- Daeinos aehallh
- Daeinos class
- Daemon Zorn
- Daemosh class
- Daffodon
- Daffodon IX
- Dafkie
- Dafydd ab Hugh
- Dagarth
- Dagem
- Dagger (CVE-7)
- Dagger (disambiguation)
- Dagger Warning
- Dagger of Maqatat
- Dagger of the Mind
- Daggerleaf tree
- Dagitz
- Dagragas Nai
- Dahai Iohor Naraht
- Dahar Master
- Dahj
- Dahkur
- Dahkur City
- Dahkur Hills
- Dahkur Province
- Dahleb
- Dahlia Santorini
- Dahlomh'qhu
- Dahna
- Dahnu
- Dahut class
- Dahvi
- Dai-ai
- DaiMon
- Dai Mehkan
- Dai Nistral
- Dailey
- Daise System Patrol
- Daisen Hamor
- Daisy
- Daithan Ruhalter
- Daithin
- Dajera
- Dajesswimax
- Dak-Alpha
- Dak-Alpha system
- Dakahna Vaas
- Dakahna Vaas (mirror)
- Dakala
- Dakar
- Dakeen
- Dakeen Monastery
- Daken
- Daki orGalya
- Dakiak
- Dako kidney
- Dakol
- Dakona Raal
- Dakota
- Dakota class
- Dakthara
- Dal
- Dal'Rok
- Dal's Requiem Trio
- Dal Cerys
- Dal Corbin
- Dal Nortron
- Dal R'El
- Dalai Lama
- Dalak
- Dalal
- Dalanda
- Dalanda V
- Dalba Sin
- Dalbar
- Dalby
- Dale L. Kemper
- Daled
- Daled IV
- Daled V
- Dalen
- Dalen Quaice
- Daleril
- Dalerok Battlefield Memorial
- Daley
- Daley (disambiguation)
- Dalgorian water viper
- Dalia Parks
- Dalibardadian Plains
- Dalik
- Dalin
- Dalinga Bektab
- Dalisay Dari Aquino
- Dalit Sarai
- Dalivar
- Dallas
- Dallas (disambiguation)
- Dallessandro
- Dalmine
- Dalmine sector
- Dalton recension
- Daltren
- Daly City
- Dam
- Damage
- Damage report
- Damala
- Damana
- Damar (disambiguation)
- Damar Kahn
- Damar class (destroyer)
- Damar class (dreadnought)
- Damas Hayl
- Damascus
- Damascus class
- Damask Plain
- Damia
- Damiani
- Damiano
- Damir
- Damir Gorjanc
- Damira Enaren
- Damitol
- Damocles (disambiguation)
- Damocles Station
- Damocles system
- Dampener
- Damrose
- Damu
- Damur
- Damyz
- Dan Abnett
- Dan C. Duval
- Dan Curry
- Dan Cziraky
- Dan Duvall
- Dan Jolley
- Dan Jurgens
- Dan Miller
- Dan Mishkin
- Dan Pelletier
- Dan Spiegle
- Dan Taylor
- Dan Uyeno
- Dana Kramer-Rolls
- Dana Mitchell
- Danae Victoria
- Danan Grim
- Danar
- Danar (mirror)
- Danara (disambiguation)
- Danara 5986
- Danbur Mountains
- Danby Connor
- Danby Connor (mirror)
- Dance
- Dance-Contest Danger
- Dancefighting
- Dancerknife
- Dancing girl
- Dancing girl (Breen)
- Dandelion
- Dandridge
- Dane Christensen
- Danee
- Danga Sitru
- Dangasi
- Danger... On Ice
- Dangerous Times
- Dangib
- Danhauser
- Danian
- Danica Erickson
- Daniel
- Daniel Alden
- Daniel Berry
- Daniel Boone
- Daniel Byrd
- Daniel C. Roper
- Daniel Cheney
- Daniel Corrigan
- Daniel Dvorkin
- Daniel Emmanuelli
- Daniel Fontana
- Daniel Gold
- Daniel Kilmer
- Daniel Kosa
- Daniel Kwan
- Daniel Lane
- Daniel Leonard
- Daniel Merkling
- Daniel Okagawa
- Daniel Paisner
- Daniel Paris
- Daniel Quinn
- Daniel Reed (Crewman)
- Daniel Reed (Lieutenant)
- Daniel Steenberge
- Daniel Sutter
- Daniel Tregart
- Daniel Urquhart
- Daniela Bruner
- Daniella (disambiguation)
- Danielle Willa Odell-Granger
- Daniels
- Daniels (Captain)
- Daniels (Kelvin timeline)
- Danig Kell
- Daniir
- Danik
- Danil
- Danilo
- Danilo Odell
- Danilov
- Dankanasaur
- Dankon
- Dann Lendann
- Danna Brott
- Dannan Stuart
- Dannus
- Danny