- Ing
- Ingama Nebula
- Ingav
- Ingavi
- Inge Eiger
- Inge Heyer
- Ingerment
- Inglatu
- Ingraham B
- Ingrid McRobb
- Ingrit Tomson
- Inheritance
- Inheritance (comic)
- Inheritance (episode)
- Inicrust
- Inicrust native
- Initiate
- Initiations
- Injector Assembly One
- Inkaria
- Inkarian wool
- Inland Sea
- Inmate 98639
- Inmate Security and Information System
- Inna Murent
- Innaxx
- Inner Circle
- Innerol
- Innerol V
- Innerol V native
- Innix
- Innocence
- Inoduku
- Inquiry class
- Inquisition
- Inquisitor
- Inquisitor (Terran Empire)
- Inquisitor (Voth)
- Inquisitor (disambiguation)
- Inquisitor planet
- Inquisitorial Palace
- Inquisitors
- Insanity
- Insect
- Insectoid pod ship
- Inshai Compact
- Inside Man
- Inside Star Trek
- Inside Star Trek: The Real Story
- Insider Illustrated
- Insignia
- Inspection tour
- Inspector
- Installation 18 (STO)
- InstellCo
- Institute
- Institute for Advanced Mathematics
- Institute for Interworld Studies
- Institute for Starfleet Strategic Initiatives
- Institute for State Policy
- Institute for the Transmission of Vulcan Culture
- Institute of Galactic History
- Institute of Living
- Institutes of the Federation Science Council
- Instrument of Obedience
- Insubordination
- Insulae class
- Insurance
- Insurrection
- Insurrection Alpha
- Intar
- Intari Makestru
- Intarian
- Integrated systems manager
- Intel battlecruiser
- Intel starship
- Intel warbird
- Intellas
- Intellas IV
- Intelligence Gathering
- Intelligence Test
- Intelligence officer
- Intelligence station
- Intellivore
- Intellivore (novel)
- Intendant
- Intensive care ward
- Inter-Galactic Systems
- Inter-receptive network
- Inter Arma Enim Silent Leges
- Interceptor class
- Intercom
- Intercooler
- Interface
- Interface (episode)
- Interface (system)
- Interference generator
- Intergalactic Brotherhood of Space Cadets
- Intergalactic Geographic Museum
- Intergalactic News Network
- Intergalactic combat
- Intergalactic judo
- Intergalactic void
- Interior Architecture
- Interior Minister of United Earth
- Interlock servo
- Intermix chamber
- Internal Revenue Service
- Internal combustion engine
- International Archives
- International Space Agency
- International Space Station
- Internet
- Internment Camp 371
- Internment camp
- Interphase, Part One
- Interphase, Part Two
- Interphase (eBook)
- Interphase cloaking device
- Interphase psychosis
- Interphasic coil spanner
- Interphasic dilithium bomb
- Interplanetary Journal of Theoretical Physics
- Interplanetary Press
- Interplanetary Red Cross and Crescent
- Interplanetary Wildlife Preserve
- Interplay
- Interplexing beacon
- Interpol
- Interrogation
- Intersection Point
- Interspace
- Interspecies Medical Exchange
- Interstella
- Interstellar Agricultural Aid Commission
- Interstellar Alliance of Planets
- Interstellar Axis
- Interstellar Coalition
- Interstellar Coalition Space Command
- Interstellar Comprehensive Trade Act
- Interstellar Concordium
- Interstellar Concordium Parliament
- Interstellar Geophysical Conference
- Interstellar Guard
- Interstellar Merchant
- Interstellar Studies Commission
- Interstellar Union
- Interstellar law
- Intervention specialist
- Interworld Construction
- Into the Abyss
- Into the Breach
- Into the Forest I Go
- Into the Hive
- Into the Nebula
- Into the Void
- Intra-Empire Free Station
- Intradermal translator
- Intraoperative magnetic resonance imaging
- Intrator
- Intrator II
- Intrepid
- Intrepid (NV-01)
- Intrepid (NX-07)
- Intrepid (free starship)
- Intrepid class
- Intrepid class (22nd century)
- Intrepid class (Kelvin timeline)
- Intrepid class (warship)
- Introductory Two-Player Game
- Intruder Alert!
- Intruder alert
- Intrusion
- Invasion
- Invasion (concept)
- Invasion of Capory
- Invasion of Draken IV
- Invasion of the City Builders
- Invasive Procedures
- Inventory report
- Inverness
- Inverness (city)
- Inverness (colony)
- Inverness (transport)
- Invernia II
- Invernia Prime Shipyard
- Inversion drive
- Inversion nebula
- Inverter
- Investigations
- Investigator (HSC-7)
- Investigator (disambiguation)
- Invidian Battalion
- Invincible
- Invincible, Part One
- Invincible, Part Two
- Invincible (disambiguation)
- Invola
- Inyx
- Io
- Io (disambiguation)
- Io Facility
- Ioaug
- Iocau
- Iodine
- Ioemi
- Ioile
- Iolos
- Iolos VI
- Iomides
- Iomidian
- Ion
- Ion cannon
- Ion drive
- Ion exchange column
- Ion storm
- Ion weapon
- Ione Kitain
- Ionic field
- Ionic pluto-tele-receptor
- Ionite Nebula Region
- Ionjumper
- Ionosphere
- Iopene cutter
- Iosia
- Iota
- Iota Andromedae
- Iota Carinae
- Iota Cephei
- Iota Ceti VI
- Iota Draconis
- Iota Eridani
- Iota Geminorum
- Iota Geminorum IV
- Iota Hydri
- Iota Pavonis
- Iota Pavonis sector block
- Iota Trianguli
- Iotian
- Iotian Outfit
- Iotian crystal
- Iotian risotto
- Iotian submachine gun
- Iovino (xenologist)
- Iowa
- Iowa (disambiguation)
- Iowa Hawkeyes
- Iowa class
- Ipicran
- Ipicran 1
- Ipvada
- Ir'Abehr Shield
- Ira'sihaer
- Ira Steven Behr
- Ira Steven Behr (Starfleet)
- Iraba
- Iran
- Irapina
- Irapina starship
- Iraq
- Iraq War
- Ircoral
- Irdex
- Irdrant
- Ireland
- Iremal Cluster
- Iremis II
- Irene
- Irene Adler
- Irene Fogel-Malone
- Irene Hansen
- Irene Kwan
- Irenna Suparov
- Irf
- Irhennian
- Irhheen
- Iridion Belt
- Iridium
- Iridium-7-Tetrahydroxate Crystals Are a Girl's Best Friend
- Irillium
- Irimlo Si
- Irina
- Irina (Cestian)
- Irina (Orion)
- Irina Galliulin
- Irina Galliulin (Kelvin timeline)
- Irina Kalandra
- Irina Voyskunsky
- Irira
- Iris Bahr
- Iris Hume
- Irish Harp Festival
- Irish Republican Army
- Irish cheddar
- Irish whiskey
- Irizarry
- Irnilt
- Iron
- Iron-60 crystal matrix
- Iron Age
- Iron Curtain
- Iron Fang Clan
- Iron Fist
- Iron and Sacrifice
- Iron rush
- Iron thorn tree
- Ironpants
- Ironsides
- Ironwood
- Iroquois (disambiguation)
- Iroquois (ship)
- Iroquois Confederacy
- Irreducible Foundations of Logic
- Irrigation
- Irsh'ven
- Irthadi
- Irtok
- Irtok (planet)
- Iruhe
- Irumodic Syndrome
- Irvek Pa'Dar
- Irvin Domberwicky
- Irving Berlin
- Irving Street
- Iryi Roala
- Is There in Truth No Beauty?
- Isaac
- Isaac (disambiguation)
- Isaac Asimov
- Isaac Newton
- Isaac Soulian
- Isaakerr
- Isabella
- Isabella (disambiguation)
- Isabelle Danur
- Isabo's Shirt
- Isadore Cohen
- Isaiah Farber
- Isambard Kingdom Brunel
- Isbarmuunto
- Isca
- Isenberg
- Ishan Anjar
- Ishar of the Jewel