- Ktaria
- Ktaria VII
- Ktarian
- Ktarian Enclave
- Ktarian chocolate puff
- Ktarian egg
- Ktaris
- Ktorr Skann
- Ktorran
- Ku
- Ku'Vel'Di
- Ku'ltan
- Ku't
- Ku'thei
- Ku (Kelvin timeline)
- Ku (disambiguation)
- Kuala Lumpur
- Kuazurr
- Kuban
- Kubaro Dickerson
- Kubia
- Kubichi
- Kubichi system
- Kubla Khan
- Kubus Oak
- Kubus Pohl
- Kubus Pohl (mirror)
- Kuchuk
- Kuda
- Kudak'Etan
- Kudao
- Kuderian Guard
- Kudesh
- Kudzu
- Kufap
- Kufey
- Kugel
- Kuhrrat
- Kuilka
- Kuiper
- Kuiper Belt
- Kuiper belt
- Kuja fly
- Kujal
- Kujalan
- Kuk-pak
- Kukalaka
- Kukar
- Kukiam
- Kukulkan
- Kukulkan's species
- Kukulkan's starship
- Kukurydza
- Kul
- Kul'Cha'Vir
- Kulan
- Kulat
- Kuldip
- Kulef nd'Orelag
- Kulei Aephas
- Kulessa
- Kulian
- Kulinarr
- Kulinor class
- Kuljit Patel
- Kull
- Kullnark
- Kulloth
- Kulok
- Kulshedra class
- Kultan
- Kuluuk
- Kumagai
- Kumamoto
- Kumar
- Kumari
- Kumari (ice cutter)
- Kumari (mirror)
- Kumari class
- Kumas
- Kumasi
- Kumburan
- Kunan Olfi
- Kunas
- Kunex
- Kung
- Kung (23rd century)
- Kung (24th century)
- Kunial
- Kuniko Mizuki
- Kunimitsu Okano
- Kunkel
- Kupnil
- Kura
- Kurak, daughter of Haleka
- Kurak, daughter of Haleka (mirror)
- Kural
- Kurali
- Kurat
- Kurat Mountain Range
- Kurat Temple Complex
- Kurchatovium
- Kureus
- Kurga
- Kuri
- Kuri Dennings
- Kurill I
- Kurill III
- Kurill Prime
- Kurill sector
- Kurkjian Memorial Hospital
- Kurl
- Kurlan
- Kurlan naiskos
- Kurn, son of Mogh
- Kurn (disambiguation)
- Kurn (mirror)
- Kurn (weapons officer)
- Kurna fruit
- Kurning
- Kuron
- Kuron (Kelvin timeline)
- Kuron system
- Kuros
- Kurper
- Kurpol
- Kurr
- Kurrgo
- Kurs
- Kursley
- Kurt
- Kurt (disambiguation)
- Kurt Bendera
- Kurt Davis
- Kurt Hansen
- Kurt Hunter
- Kurt Mandl
- Kurt Redd
- Kurt Wagner
- Kurtz
- Kuruk-Tau
- Kurvanis
- Kusdor
- Kusiun
- Kut
- Kut'luch
- Kutabi
- Kutan zantai-Lisson
- Kutel Esad
- Kuthar class
- Kuu'iut
- Kuumaarke
- Kuumaarke (mirror)
- Kuun
- Kuut
- Kuvah'magh
- Kuvak
- Kuvak (disambiguation)
- Kuvalex vestai Reshtarc
- Kuvrak
- Kuxam
- Kuztor
- Kvaad
- Kveld
- Kwaheri
- Kwahu
- Kwan
- Kwan-mei Suarez
- Kwan (disambiguation)
- Kwarlez
- Kwejian (planet)
- Kwejian frigate
- Kwelm
- Kwettir
- Kwil'inor
- Kwolek
- Kwy
- Ky'Dra
- Ky'rha
- Ky'rha Artifacts
- Ky'rok
- Kyana
- Kyana II
- Kyana Prime
- Kyeera Janyl
- Kyepas Coast
- Kyethn Zund
- Kyla VanZyl
- Kylarghian fire gem
- Kyle (disambiguation)
- Kyle Anderson
- Kyle Baron
- Kyle Courter
- Kyle DeSoto
- Kyle DeSoto (mirror)
- Kyle McKenna
- Kyle Plummer
- Kyle Riker
- Kyle Riker (mirror)
- Kyle Toucher
- Kyle Wilson
- Kylen
- Kyli Shon
- Kylin'the
- Kyljoi
- Kyll
- Kylo orchid
- Kylor
- Kylor (Klingon)
- Kylor (Romulan)
- Kynardi
- Kynsleve
- Kyo-Ina
- Kyona
- Kyoshi Nogura
- Kyoto
- Kyoto (DX-103)
- Kyoto (disambiguation)
- Kyoto Imperial Palace
- Kyr
- Kyr Nostrand
- Kyrasam
- Kyraw
- Kyraw homeworld
- Kyriakides
- Kyrian
- Kyril
- Kyros
- Kyros (disambiguation)
- Kyros system
- Kyrosian
- Kyrtu
- Kytharri
- Kytherian crab
- Kyzella Outpost
- Kzinkiller
- Kzinslayer
- Kzinti
- Kzinti fighter
- Kzinti warship
- L'Aquila
- L'Astrance
- L'Deus
- L'Dira
- L'Gon
- L'Haan
- L'Haan (mirror)
- L'Kem
- L'Kor
- L'Lewoh
- L'Miren
- L'Nar
- L'Nel
- L'Nel (22nd century)
- L'Nel (23rd century)
- L'Rell
- L'Rell (mirror)
- L'Sen
- L'Teis Kardashev
- L'Vek
- L'Vor
- L'Waht
- L'afe N'Drersen
- L'afe N'Drersen (23rd century)
- L'chaim
- L'hur
- L'jian
- L'rexa class
- L'rita
- L'sthwan
- L-34198
- L-35641
- L-370
- L-5 Colonies
- L-61208
- L-64555
- L-64555 (Makus system)
- L-64555 (Tyburn system)
- L-Lersa
- L.A. Graf
- L.E. Doggett
- L.K. Lubbitz
- L.Q. Clemonds
- L.T. Stone
- L. Cole
- L. Evans
- L. Hogan
- L. Isao Telaka
- L20B2
- L2 Puppis
- L374
- LCARS
- LI'wI' class
- LIDAR
- LIngta'
- LLiksze
- LLunih
- LLunih tr'Raedheol
- LLyanaa
- LP 327-186
- LSS Concordium
- LSS Dranuur
- LSS Ho'kuun
- LSS Huukaat
- LSS Jaaleet
- LSS N'Kaam
- LSS Reskava
- LSS Treluun
- LSS Vuut
- LV-132
- La'Len Ocean
- La'an Noonien-Singh
- La'voti
- LaChance
- LaFuente Johnson
- LaFuente Johnson (24th century)
- LaGrange AAA-1
- LaLiberté
- LaShaundra
- LaVelle
- LaVelle (engineer)
- La Barre
- La Dotio
- La Fong
- La Forge
- La Forge (Admiral)
- La Forge (Ensign)
- La Forge family
- La Monica
- La Rocca
- La Sirena
- La Sirena class
- Laanur
- Laarin Andos
- Laas
- Labac
- Labar Tique
- Lablijepts
- Laboratory
- Laboratory Assistants' Institute of Ferenginar
- Labra
- Laburnum
- Lacaam
- Lacera
- Laceran