- Geoffrey Chaucer
- Geoffrey Hadley
- Geoffrey Mandel
- Geoffrey Mandel (Starfleet)
- Geoffrey Thorne
- Geography
- Geological technician
- Geologist
- Geophysics
- Geoplastics
- Geopolis
- Geordi Can Fly
- Geordi La Forge
- Geordi La Forge (1ST)
- Geordi La Forge (alternates)
- Geordi La Forge (mirror)
- George
- George (alias)
- George (disambiguation)
- George Barrile
- George Bosinney
- George Caltsoudas
- George Carmona
- George Casey
- George Faunt
- George Foster
- George Frideric Handel
- George Garfield
- George H. W. Bush
- George Harrison
- George Hill
- George Howard
- George II of Great Britain
- George Kashdan
- George Kinman
- George La Forge
- George Lorenzo
- George McHenry
- George Morgan
- George Murray
- George Orwell
- George Orwell (mirror)
- George Polcha
- George Primmin
- George Primmin (mirror)
- George Pérez
- George Reed
- George Samuel Kirk, Jr.
- George Samuel Kirk, Jr. (Kelvin timeline)
- George Samuel Kirk, Jr. (mirror)
- George Samuel Kirk, Sr.
- George Samuel Kirk, Sr. (Kelvin timeline)
- George Sanders
- George Santayana
- George Stocker
- George Takei
- George Taylor
- George Tenet
- George W. Bush
- George Walter
- George Washington
- George Wilhelmsem
- George Wilson
- George Zebrowski
- George the Second
- Georges Mordreaux
- Georges Picard
- Georges St. Jean
- Georges Toussaint
- Georgi Ilanenko
- Georgia
- Georgia (disambiguation)
- Georgia chicken pie
- Georgianos
- Georgiou
- Georgiou class
- Georgy Zhukov
- Geothermal energy
- Gera
- Gera system
- Gerald Novak
- Gerald Williams
- Geraldine Ruddy
- Gerapa
- Gerard
- Gerard LeFevebre
- Gerard O'Neill
- Gerat Rejal
- Gerazh
- Gerbil
- Gerda Asmund
- Gerda Idun Asmund
- Gerda Roness
- Gere LaDue
- Geredex
- Geren'zrix
- Geres
- Gerhami Province
- Gerhard
- Geries
- Geries I
- Geries III
- Geries IV
- Germal
- German Democratic Republic
- German Shepherd
- German Torres-Ruiz
- German language
- Germania
- Germanium
- Germany
- Germophobe
- Gern
- Geroldin
- Geronimo
- Geronimo (disambiguation)
- Geronimo (mirror)
- Geror
- Gerran Vey
- Gerren Kin
- Gerri Leen
- Gerrold Kilendar
- Gerrold University
- Gerron Ral
- Gerry Auberson
- Gerry Boudreau
- Gerry Conway
- Gertrude
- Gertrude (Queen)
- Gerva
- Gesium
- Gesok
- Gespar
- Gesselium ayanaminide
- Gest
- Gestalt
- Gestalt creature
- Gestalus-ru
- Gestapo
- Gestural idiom
- Getaway
- Gett'Ipher
- Getting Real
- Gettle
- Gettysburg
- Gettysburg (disambiguation)
- Geuder
- Gezary
- Gezel
- Geziul
- Gezon
- Gezor
- Gezunt
- Gezuyoi
- Ggramphud Histo-Cryogenics Incorporated
- Gh'rrrvn
- GhISong Heytlh
- GhIq
- Gha'rek
- Ghak'zur
- Ghandi
- Ghandi V
- Ghap'op
- Ghap'op I
- Ghap'op II
- Ghap'op III
- Ghap'op III-A
- Ghar
- Ghar-wolf
- Gharhuil
- Gharian wedding bird
- Ghast class
- Ghavenehk
- Ghavun
- Ghee P'Trell
- Ghel Rhukal
- Gheljiar
- Ghemik Telur
- Ghemor
- Ghemor family
- Ghen Laraya
- Ghert
- Gherud
- Gheryzan
- Gheryzan Hospital
- Ghiachan brandy
- Ghibelline
- Ghidrah 1
- Ghioghe
- Ghissel
- Ghlarig
- Gho'vaD Defense Fleet
- Ghoc
- Ghocho tlheng
- Ghocho tlheng I
- Ghocho tlheng II
- GhojmeH taj
- GhojmoHwI'
- Ghomba
- Ghondr
- Ghoq'ay
- Ghoq'ay I
- Ghoq'ay II
- Ghoq'ay III
- Ghorusda
- Ghost
- Ghost-Walker
- Ghost (eBook)
- Ghost Dance
- Ghost Riders
- Ghost Ship
- Ghost Ship (STO)
- Ghost in the Machine
- Ghost of a Chance
- Ghostly Fortune Teller
- Ghosts, Issue 1
- Ghosts, Issue 2
- Ghosts, Issue 3
- Ghosts, Issue 4
- Ghosts, Issue 5
- Ghosts (TNG)
- Ghosts (TOS)
- Ghosts (VOY)
- Ghosts of Conscience
- Ghosts of Illyria
- Ghoy'HI
- Ghoy'HI I
- Ghoy'HI II
- Ghoy'HI III
- Ghret Pa'Dar
- Ghretch
- Ghrex
- Ghu
- Ghulion
- Ghuyj
- Ghuyj I
- Ghuyj II
- Ghuyj III
- Ghyllac
- Gi'ral
- Giacoia
- Giacomo Casanova
- Gian Sortollo
- Giancarlo
- Giancarlo (disambiguation)
- Giancarlo Corsi
- Giancarlo Rowland
- Giancarlo Wu
- Giani'aga
- Gianluigi Gregorini
- Giannini
- Giant's ear
- Giant Brain
- Giant Brain asteroid
- Giant Killer
- Giant Steps: A Chronicle of the Andorian Space Age
- Giant in the Universe
- Giant star
- Giants
- Gibraltar
- Gibraltar (nation)
- Gibraltar (planet)
- Gibraltar Locks
- Gibson (USS Hood)
- Gidana
- Giddis system
- Gideon (disambiguation)
- Gideon (planet)
- Gideon Seyetik
- Gideon Welles
- Gideonite
- Gideonites
- Gidron Belt
- Giellun tr'Keirianh
- Giered Charas
- Giermos
- Gif
- Giffla-37XZ
- Gift of Flight
- Gift of the Mourners
- Gigantism
- Gigli saw
- Gigon
- Gihdahr
- Gil
- Gil'Tarkna
- Gil (disambiguation)
- Gil Kane
- Gila
- Gila III
- Gilaad Ben Zoma
- Gilaad Ben Zoma (mirror)
- Gilbert
- Gilbert and Sullivan
- Gild
- Gilden
- Gileus
- Gilgamesh
- Gilgamesh (disambiguation)
- Gilgo Beach
- Gilhooley
- Gilhouly
- Gill Spaceport
- Gilla Dupree
- Gillespie
- Gillespie (Ensign)
- Gillian Moratino
- Gillian Taylor
- Gilligan's Island
- Gilmesheid ch'Pavarzi
- Gilora Rejal
- Gim
- Gimba
- Gimor
- Gin
- Gin'srak
- Gin and tonic
- Gin rummy
- Gina Pace
- Gina Thompson
- Ginar
- Gindorian fern
- Ginger
- Ginger (disambiguation)
- Ginger Grant
- Ginger Summers
- Ginger ale
- Gingerbread
- Gingerbread Colony
- Gingerbread Village
- Giniv
- Ginny Crandall
- Ginseng tea
- Gint
- Ginteres Miasma
- Ginva
- Gion
- Giordana Noa Raymond
- Giordin 275
- Giovanna Niro
- Giovanni Ticci
- Gira
- Girani Semna
- Girav Mountains
- Girenon