- 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
- Danny (disambiguation)
- Danny Brown
- Danol
- Danon
- Danor Tor
- Danqo
- Dans La Gueule Du Loup
- Dantar
- Dantar system
- Dantas Falcão
- Dante
- Dante (disambiguation)
- Dante (workbee)
- Dante Alighieri
- Dante Field
- Dante Maxima
- Danter
- Danteri
- Danteri Empire
- Danteri External Affairs
- Danteri System Patrol
- Danteri V
- Danteri system
- Danton
- Danton (disambiguation)
- Dantos VII
- Dantric
- Dantus III
- Danube class
- Danula
- Danula II
- Danurian
- Danvers (disambiguation)
- Danylkiw Limit
- Danzan
- Danzek
- Dap
- Daphne
- Dapo Seng
- Dapris Dulitan
- Dapris Dulitan (23rd century)
- Daps centurionis
- DaqS, son of Kang
- Daqawlu
- Dar (Commander)
- Dar (disambiguation)
- Dar Ableen
- Dar Xarota
- Dara Mellon
- Dara Stockton
- Darak
- Darak (disambiguation)
- Darak Sea
- Daralis
- Daralis Project
- Daran
- Daran Freeport
- Daran IX
- Daran X
- Daranar Sueriel
- Darane IV
- Daraniss
- Darannol University
- Daras
- Darb Chalmon
- Darco Bulast
- Dardathian
- Dareau
- Dareau (disambiguation)
- Dareel
- Daren
- Daren Dochterman
- Darey Hawk
- Dargesi
- Dargh
- Dari
- Daria Pierce
- Darick Lynch
- Darien 224
- Darien Wallace
- Darius (disambiguation)
- Darius I
- Darius II
- Darius III
- Darius IV
- Darius Miller
- Darius Permenter
- Darius Wellington
- Darius Wellington (24th century)
- Darius XI
- Darjeeling tea
- Dark Ages
- Dark Allies
- Dark Frontier
- Dark Horse
- Dark Market
- Dark Market Syndicate
- Dark Matters
- Dark Maw
- Dark Mirror
- Dark One
- Dark Page
- Dark Passions
- Dark Passions, Book One
- Dark Passions, Book Two
- Dark Range Platform
- Dark Remnant
- Dark Stella
- Dark Time
- Dark Traveler
- Dark Victory
- Dark matter
- Dark matter anomaly
- Dark running
- Darkling
- Darkling (episode)
- Darkness
- Darkness Before the Dawn
- Darkseid
- Darl Tavros
- Darla
- Darleen Mastroeni
- Darlen
- Darlene Kursky
- Darlok Ocean
- Darmal
- Darmius
- Darmok
- Darmok (Emperor)
- Darmok (episode)
- Darmok (ship)
- Darmok class
- Darmstadtium
- Darnak VII
- Darnay
- Darnell Renyck
- Daro
- Daro (mirror)
- Daro system
- Darok
- Darok (Klingon)
- Darok (Romulan)
- Daroken
- Darona
- Daronan spring water
- Daros
- Daros IV
- Daroskelar
- Daroskelar Starport
- Darrah Bajin
- Darrah Cheren