- Koji Kuramura
- Koji Oliver
- Kojiro Vance
- Kojo Pran
- Kojol Lizzel
- Kok-ido
- Kok LaKok LaPokkok
- Koko
- Koko Lee
- Kol
- Kol'Vat
- Kol-Sha
- Kol (Captain)
- Kol (Commander)
- Kol (spy)
- Kolaati
- Kolaati system
- Kolak
- Kolan
- Kolanis Mikala
- Kolar's Squadron
- Kolaran armored car
- Kolaran buggy
- Kolari
- Kolarin system
- Kolaripam
- Kolarus III
- Kolasi III
- Kolass vestai Rixen
- Kolava Alpha
- Kolava Beta
- Kolb
- Kolb (scientist)
- Kolba's tooth
- Kolbr HaFul
- Kolbr HaFul I
- Kolchinsky gambit
- Koler Trang
- Koleth
- Koletta
- Kolex tai Decara
- Kolhari
- Kolhari system
- Koli Jocan
- Kolian
- Kolian cold pepper
- Kolichiyaw
- Kolidos Desert
- Kolinahr
- Kolinahr master
- Kolinahru
- Kolinahru Monastery
- Kolitor
- Kolj
- Kolker
- Koll Azernal
- Kolla Yos
- Kolloden
- Kolm-An class
- Kolm-an
- Kolm-an (disambiguation)
- Kolodny
- Kolom
- Kolor
- Kolos
- Kolos (22nd century Klingon)
- Kolos (23rd century Klingon)
- Koloth, son of Lasshar
- Koloth (Captain)
- Koloth (shuttlecraft)
- Koloth class
- Koloth class photon artillery
- Kolothian whipcrack
- Kolothos
- Kolothos IX
- Kolovsky
- Kolrami
- Koltaari
- Koltaari (planet)
- Koltana
- Koltiska
- Kolvoord Starburst
- Kolya
- Kom Ka'des class
- Kom Traya
- Komack (cat)
- Komar
- Komarah
- Komerex
- Komex
- Komipad
- Komira
- Kommandant Ghud
- Kommora
- Komo Val class
- Komor
- Kon'Jef
- Kona
- Konahr Lutet
- Konari
- Konata Nantambu
- Kondaii
- Kondro
- Kone (linename)
- Konerko
- Konet sutai Cultuic
- Konga
- Konicek
- Konn, son of Reshtarc
- Konnoria
- Konnoria V
- Kono
- Konom
- Konom (disambiguation)
- Konor
- Konrad von ter Horst
- Konstantin Chernenko
- Kontikos
- Konuu zantai Mogodush
- Koo
- Koob
- Kooba
- Koolhaas
- Koolhaas Prime
- Koolhaas System Patrol
- Koon-ut-kal-if-fee
- Koon-ut-la
- Koon-ut-so'lik
- Koorn
- Koosbane
- Koothrappali
- Koothrappali Astrophysics Review
- Kope
- Kopek, son of Nargor
- Kopf
- Kopf's Cliff
- Kophor
- Kopman
- Kopok
- Kopyc K'narf
- Kor'fen
- Kor'geth
- Kor'letus (23rd century)
- Kor'letus (24th century)
- Kor'pok
- Kor'tek
- Kor, son of Kaltar
- Kor, son of Rynar
- Kor, son of Rynar (Kelvin timeline)
- Kor, son of Rynar (mirror)
- Kor-Van
- Kor-ssa
- Kor (disambiguation)
- Kor (engineer)
- Kor (shuttlecraft)
- Kor Na Ron
- Kor Thon
- Kora Daraan
- Kora II
- Kora sector
- Koradan
- Korak
- Korak (Klingon)
- Korak (planet)
- Koral
- Koral (Bajoran)
- Koral (mirror)
- Koralis
- Koralis III
- Koram
- Koram's Bird-of-Prey
- Koranischat
- Korata
- Korath
- Korath, son of Monak
- Korath (23rd century Captain)
- Korath (24th century Captain)
- Korath (cleric)
- Korath class
- Koratta Jael
- Korax
- Korax (Cadet)
- Korax (mirror)
- Koraxi
- Korban
- Korbath Mondrig
- Korbid
- Korbin Viggo
- Korbus
- Korda family
- Kordon sutai Donatil
- Korea
- Korean War
- Koreba class
- Kored
- Korek (Klingon)
- Korella
- Koren
- Koren, daughter of Grilka
- Koren Anastas
- Korenman
- Koreth
- Korgan
- Korgasant
- Korgh
- Korgocht
- Korgocht V
- Kori
- Kori (Human)
- Kori (Klingon)
- Korial
- Korick tai Rashtesh
- Korin (Bharron)
- Korin (Ennis)
- Korinar
- Korinas
- Koris-tahn
- Korit
- Korkath
- Korl
- Korlak
- Korlath
- Korli
- Korm Nal
- Korma
- Korma (Klingon)
- Korma (planet)
- Korma Pass
- Kormagara
- Kormerek
- Kormog
- Korn
- Korn (23rd century)
- Korn (24th century)
- Korn (Human)
- Kornak
- Kornak-Jabari homeworld
- Kornak Armed Forces
- Kornan, son of Shovak
- Kornas
- Kornath vestai-Kenza
- Kornek
- Kornelius Yates
- Kornelius Yates (mirror)
- Kornell Pallas
- Kornish
- Koro't'inga class
- Koro (disambiguation)
- Koro Quintal
- Korod
- Korok (Captain)
- Korok (General)
- Korolev
- Korolev Crater
- Korolev class
- Koron
- Koronin
- Koros
- Koroth
- Koroth (disambiguation)
- Korox
- Korpa
- Korpi
- Korpo
- Korrd
- Korreg
- Korren
- Korrgar
- Korrier
- Korrok
- Korsal
- Kort
- Kort (Governor)
- Kort (smuggler)
- Kortani
- Kortar
- Korth
- Korth (disambiguation)
- Korto City
- Koru
- Koru (disambiguation)
- Korvad
- Korvale Ocean
- Korvann
- Korvaq
- Korvat
- Korvat (mirror)
- Korvat I
- Korvat II
- Korvat III
- Korvek
- Korven
- Korvit
- Korvog
- Korvus
- Korya
- Korzenten
- Kos
- Kos'Karii
- Kos'tara
- Koslek
- Kosnelye
- Kosnett
- Koss
- Koss'moran
- Kosset
- Kosst'kiral fan amoyan
- Kosst Amojan
- Kostantin epetai-Kolor
- Kostaza
- Kosted
- Kostner
- Kostolain (disambiguation)
- Kostolain (planet)
- Kostolain system
- Kot'baval Festival
- Kot'reth
- Kotaba Expanse
- Kotaba sector
- Kotach class
- Kotaki
- Kotan Darek
- Kotan Marok
- Kotan Pa'Dar
- Kotati
- Kotati (star)
- Koth
- Koth (Commander)
- Koth (Kelvin timeline)
- Koth (Lieutenant)
- Koth (Shirn)
- Koth (Warden)
- Koth (character)
- Koth (disambiguation)
- Koth (noH'pach)
- Kothaar
- Kothari
- Kothulu commander
- Koti
- Kotira
- Kotkhe
- Koto
- Koto nata
- Kotoi
- Kotora