- Chakuun (planet)
- Chakuun fighter
- Chakuun ghostship
- Chal
- Chala
- Chala IV
- Chaladra
- Chalan Aroya
- Chalburna
- Chalburna II
- Chalchaj'qmey
- Chalicon
- Chall
- Challenge for Command!
- Challenge of Spirit
- Challenger
- Challenger (NX-03)
- Challenger (OV-099)
- Challenger (novel)
- Challenger class
- Challenger class (deep space explorer)
- Challik
- Chalmers
- Chalmers (disambiguation)
- Chalna
- Chalnoth
- Chaltok
- Chaltok IV
- Chaltok Station type
- Chamaeleon
- Chamber
- Chamber of Ministers of the Third Republic of Bajor
- Chamber of Opportunity
- Chamber of the Sun
- Chambers of the Degraded Priests
- Chameleon
- Chameleon (planet)
- Chameleon (starship)
- Chameleon class
- Chameleon field
- Chameloid
- Chamey's Automotive Repair
- Chamomile tea
- Champ
- Champ Forester (23rd century)
- Champ Forester (24th century)
- Champagne
- Champion
- Champs-Élysées
- Chamra Vortex
- Chamuz
- ChanTogh
- Chan (Cadet)
- Chan (Rear Admiral)
- Chan (disambiguation)
- Chan Okha
- Chan Pak
- Chan T'su
- Chanasi Tiengtrakul
- Chancellor of Starfleet Academy
- Chancellor of Tigan
- Chancellor of the High Council of the Klingon Empire
- Chand Aad
- Chandigarh
- Chandir
- Chandler
- Chandler (smuggler)
- Chandley Works, Ltd.
- Chandley class
- Chandra
- Chandra (Doctor)
- Chandra (detective)
- Chandra (engineer)
- Chandra Detective Agency
- Chandra IV
- Chandra V
- Chandra system
- Chandran
- Chandran (Chandra V)
- Chandrasekar
- Chandrik
- Chang
- Chang (Admiral)
- Chang (Commodore)
- Chang (Kelvin timeline)
- Chang (Lieutenant)
- Chang (Torgu-Va)
- Chang (USS Enterprise-D)
- Chang (USS Intrepid)
- Chang (USS Verdun)
- Chang (alternates)
- Chang (disambiguation)
- Chang (mirror)
- Chang (sorcerer)
- Change
- Change of Heart
- Change of Heart (episode)
- Change of Heart (short story)
- Change of Station
- Changed
- Changeling
- Changeling (TNG comic)
- Changing Spots: Klingons in the 23rd Century
- Changming Weng
- Changu
- Chaniviev
- Chant of Generations
- Chantal Coquillette
- Chantal Zaheva
- Chao-Anh Aleakala
- Chaotic Response
- Chaotic Response Suppression
- Chaotica
- Chaoyang Soo
- Chapel
- Chapel (disambiguation)
- Chapel System Patrol
- Chapin system
- Chapman (Admiral)
- Chapman (disambiguation)
- ChaqI
- Char'dus
- Chara
- Chara X
- Characters in Star Trek: Vanguard
- Charades (episode)
- Charak
- Charak (Lieutenant)
- Charak (starship)
- Charal class
- Charbi
- Charbi (planet)
- Charbi system
- Chardeni
- Chardonnay
- Charellian joyeuse
- Charg
- Charge
- Charge of the Yan-Isleth
- Charged projectile
- Charger (disambiguation)
- Charger class
- Chargh class
- CharghwI' class
- Charging unit
- Chariot
- Chariot (disambiguation)
- Chariot class
- Charis Idaho
- Charismatic Fathers of Profit and Loss
- Charity Zegers
- Charivretha zh'Thane
- Charlemagne
- Charlemagne Hua
- Charlene Masters
- Charles
- Charles (disambiguation)
- Charles A. Spano, Jr.
- Charles Babb
- Charles Brookstone
- Charles Chun
- Charles Correll
- Charles Darwin
- Charles Dickens
- Charles Drury
- Charles Edward Stuart
- Charles Evans
- Charles Fourrier
- Charles G. McGraw
- Charles Grey
- Charles III
- Charles Jackson
- Charles Keane
- Charles Lefler
- Charles Lindbergh
- Charles Logan
- Charles Manson
- Charles Marsters
- Charles Maurice de Talleyrand-Périgord
- Charles Novakovich
- Charles Praxis
- Charles Rasmussen
- Charles Raymond
- Charles Rockey
- Charles Ryerson
- Charles Skaggs
- Charles Stuart
- Charles Taylor
- Charles Tucker II
- Charles Tucker III
- Charles Tucker III (mirror)
- Charles Vance
- Charles Vernon Gridley
- Charles Winchester
- Charles Xavier
- Charles Zeilfelder
- Charley Mulaney
- Charlie (disambiguation)
- Charlie (pirate)
- Charlie Brown
- Charlie Katcavage
- Charlie Kirchoff
- Charlie Kochman
- Charlie Parker
- Charlie Pike
- Charlie Plaine
- Charlie Reynolds
- Charlie Russo
- Charlie Whatley
- Charlie X
- Charlotte's Web
- Charlotte Douglas
- Charlottes Shields Incorporated
- Charna Sar
- Charon
- Charon (Gorn)
- Charon (disambiguation)
- Charteris
- Chartres
- Chartreux
- Charulh
- Charulhan
- Charva
- Charybdis
- Charybdis (myth)
- Charybdis 1
- Charybdis system
- Chase (Ensign)
- Chase (communications)
- Chase (disambiguation)
- Chase Masterson
- Chaser
- Chaseum
- Chasing Shadows
- Chasinthrof zh'Mai
- Chatalia
- Chatan
- Chate
- Chateau Briar
- Chateaubriand
- Chathani
- Chato Yuqar
- Chattahoochee River
- Chatusram
- Chava
- Chava'Kal class
- Chavek
- Chavek's warbird
- Chavez
- Chavez (Yeoman)
- Chavi'rru
- Chavin
- Chavira
- Chawla
- Chawla (shuttlecraft)
- Chaxaza
- Chaya VII
- Chazron
- Che'srik Tal
- Cheb
- Cheb Packer
- Chech'tluth
- Checker Book Publishing Group
- Checkers
- Checkpoint Charlie
- Cheddar cheese soup
- Chee'lash
- Chee Wee Chua
- Chee Yang Ong
- Cheek to Cheek
- Cheen-Thitar Keep
- Cheese
- Cheetah class
- Cheez whiz
- Chef
- Chef's Special Catch-of-the-Day Miso Chowder Extravaganza
- Chef (Enterprise NX-01)
- Chef Henry
- Chek
- Chek Pharmaceuticals
- Cheka
- Chekote
- Chekov
- Chekov's Choice
- Chekov (instructor)
- Chekov class
- Chel Grett class
- Cheleb-khor
- Cheleb (disambiguation)
- Cheleb (planet)
- Cheli
- Chelienal sh'Regda
- Chell
- Chelon
- Chemical weapon
- Chemistry
- Chemotherapy
- Chen
- Chen (Crewman)
- Chen (Donatu V)
- Chen (Ensign)
- Chen (Lieutenant)
- Chen (Yeoman)
- Chen Tiejun
- Chenar
- Chenar (disambiguation)
- Chennai
- Cheras root
- Cherek
- Cherela
- Cherenkov radiation
- Chernobyl
- Chernobyl disaster
- Chernoth
- Cheron
- Cheron Accords
- Cheron VI system
- Cheron systems
- Cheronian
- Cherov Orsanion
- Cherov Orsanion (23rd century)
- Cherov Orsanion (24th century)
- Cherry pie
- Cheryl Allen
- Cheryl Daylynne (23rd century)
- Cheryl Daylynne (24th century)
- Cheryl Flodin
- Cheryl Raymond
- Cheryl Thomas
- Ches'lintak
- Ches'sarro Seeto
- Chesapeake
- Chesapeake class
- Cheshire cat
- Cheshu
- Chesley Bonestell
- Chess
- Chessie
- Chessman
- Chessu system
- Chester Lauck
- Chesterton
- Chetar
- ChetvI'
- Chetzia III