- Judith Garrett
- Judith Hayman
- Judith Klass
- Judith Makepeace
- Judith North
- Judith Resnik
- Judith Riverson
- Judith Sisko
- Judith and Garfield Reeves-Stevens
- Judo
- Judoon
- Judy (disambiguation)
- Judy Brintone
- Judy Dunbar
- Judy Elkins
- Judy Klass
- Juel Ducane
- Juf
- Juggernaught
- Juggernaut
- Juggernaut (disambiguation)
- Juggernaut (episode)
- Juggle-ball
- Juhraya
- Jujitsu
- Juju
- Jukal
- Jul-wood
- Julasa
- Jules
- Jules Verne
- Jules van Osterlich
- Julia Bertrand
- Julia Crandall
- Julia Ecklar
- Julia Guzman
- Julia Murat
- Julia Paris
- Julia Rivera
- Julia Santos
- Julia Sicania
- Julia Stiles
- Julia Taylor
- Julia set fractal geometry
- Julian Bashir
- Julian Bashir's letter to Elim Garak, 2385
- Julian Bashir, Secret Agent
- Julian Bashir (1ST)
- Julian Bashir (Changeling)
- Julian Bashir (alternates)
- Julian Bashir (mirror)
- Julian Fox
- Julian Psilakis
- Julian calendar
- Juliana Donald
- Juliana Tainer
- Julianna Bass
- Julianna Cox
- Julianna Ferriter
- Julianna van Leeuwenhook
- Julie Hyzy
- Julie Minnark
- Juliet
- Juliet Bashir
- Juliet Jurot
- Julietta
- Julin Hyrax the Brave
- Julio-Claudian dynasty
- Julius
- Julius Apius
- Julius Caesar
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- Julius Caesar (play)
- Julius Eaton
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- Jull Zehar
- July
- Jumja
- Jumja stick
- Jumja tea
- Jump-pod
- Jumpship
- Jumpsuit
- Jun'tor
- Jundira
- June
- June Chadwick
- June Marcus (Kelvin timeline)
- Juneau
- Jungar
- Jungetlh
- Jungle
- Jungles of Kintak
- Junior
- Junior (cosmozoan)
- Junior Mance
- Junior commander
- Junkers Ju-52
- Junkyard planet
- Juno
- Juno Mellias
- Jupawgh
- Jupawgh I
- Jupawgh II
- Jupiter
- Jupiter (disambiguation)
- Jupiter Colony V
- Jupiter Mining Corporation
- Jupiter Outpost 92
- Jupiter Outposts
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- Jupiter class
- Jupiterium
- Jura
- Juraav
- Jureosa
- Jureth
- Juridoth
- Juris
- Jurisa
- Juriss
- Jurlek's bird-of-prey
- Jurok
- Jurona
- Juror (CL-2)
- Jurox
- Juruh
- Jurva, daughter of Pit'ton
- Jus senatus
- Jusko
- Jussac
- Just Another Little Training Cruise
- Just Desserts
- Justarus
- Justicar
- Justicar (disambiguation)
- Justice
- Justice (FF-1)
- Justin (disambiguation)
- Justin Bloom
- Justin I
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- Justin Nickels
- Justin Straal
- Justin Tighe
- Justinia
- Justman
- Jutron
- Jutterdon
- Juzosug
- Jybok
- Jye system
- Jym Ggavittchh
- Jyri Sarpantha
- Jörg Hillebrand
- Jörn Metzger
- K'Barrgh
- K'Bol
- K'Dhan, son of Worf
- K'Draq, daughter of Sangra
- K'Dras
- K'Ehleyr
- K'Ehleyr (mirror)
- K'Kaarr
- K'Kmarak
- K'Kmarak class
- K'Korran
- K'Lan-ne
- K'Lat
- K'Leht
- K'Ley
- K'Linsann
- K'Mak
- K'Mek
- K'Nard (23rd century)
- K'Nard (24th century)
- K'Nard (disambiguation)
- K'Nera
- K'Nir
- K'Ratak
- K'Roth ch'Kor
- K'Sah
- K'Sal class
- K'Tail
- K'Tal
- K'Tanco class
- K'Tar
- K'Tar, wife of Torghn
- K'Tar (Captain)
- K'Taran
- K'Tazza
- K'Teh
- K'Teh (23rd century)
- K'Teh (24th century)
- K'Tek
- K'Temang
- K'Temoc
- K'Temok class
- K'Tesh
- K'Thale Deployment
- K'Thatic
- K'Tinnam
- K'Torr
- K'Toth
- K'Trelan
- K'Trenn
- K'Trenn (disambiguation)
- K'Vada
- K'Vagh, son of Wor'maq
- K'Vin
- K'Vit
- K'Vort
- K'Zinn, daughter of Kasara
- K'aatch
- K'ahlynn
- K'ajii
- K'am
- K'asumi
- K'chak'!'op
- K'el Ri'anda class
- K'enn Thalman
- K'hanakh class
- K'hartagh
- K'hava wine
- K'hotan
- K'jtma
- K'karee
- K'lai Klinzhai
- K'lavut
- K'lny
- K'lotek
- K'lshi: Klingon House of Terror
- K'mdek
- K'mirra class
- K'moth
- K'mpar
- K'mpec
- K'mpec (disambiguation)
- K'mpec (mirror)
- K'mtar
- K'mtec
- K'mtok
- K'muc
- K'naiah
- K'nall class
- K'nel class
- K'normia
- K'oh-nar
- K'olkr
- K'orin
- K'pril
- K'rac
- K'ras Thonen
- K'ratak
- K'retok
- K'rhtha
- K'ri'Brax
- K'rin
- K'rrral
- K's't'lk
- K'shan System Patrol
- K't'agga class
- K't'alla class
- K't'inga
- K't'inga (disambiguation)
- K't'inga class
- K't'kara class
- K't'mara class
- K't'rika class
- K'tahth Mountains
- K'tara
- K'taris
- K'tark
- K'teng
- K'thar
- K'toch class
- K'tralli
- K'tran
- K'trenn
- K'tril
- K'ushui
- K'ushui system
- K'vahru
- K'voq
- K'vort Cha class
- K'vort class
- K'vyr
- K'zeq
- K-37456
- K-5091
- K-5175
- K-5230
- K-5236
- K-5416
- K-74823
- K-G
- K-G cattle beast
- K-G giant cannibal plant
- K-G running vine plant
- K-G tumbleweed plant
- K.E. Bain
- K.P. Ryan
- K.W. Jeter
- K. Farey
- K. Garretson
- K. Glover
- K. Siegel
- K10A1
- K18 class
- K26 class
- KDC K'Vena
- KDC Manusi
- KDC Samsar
- KDC Sotunde
- KDC Wayfarer
- KDW Factoria
- KGB
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- KIS Arcana
- KIS Brevmon
- KIS Kyana Prime
- KLS stabilizer
- KL Arakkab
- KL Kenek
- KL Ykir
- KMH-5
- KSF Khi'eth
- KTWD-1
- KVN-2312 Singularity
- KWB-1
- KWC-1
- KWD-1
- KWE-1
- KWE-2
- KWE-3
- KWG-1
- K class
- K class star
- Ka
- Ka"hat
- Ka'Hat
- Ka'Tarlk
- Ka'Toth plains