- First Minister of Security
- First Minister of the Third Republic of Bajor
- First Mother
- First Romulan-Klingon War
- First Screening
- First Seat of Tellar
- First Speaker
- First Speaker of the Detapa Council
- First Splinter novels timeline
- First Splinter timeline
- First Stage
- First Star I See Tonight
- First Steps
- First Strike
- First Year Sourcebook
- First aid kit
- First contact
- First maje
- First mate
- First officer
- First officer's log, Deep Space 9
- First officer's log, USS Enterprise-E
- First officer's log, USS Enterprise (Kelvin timeline NCC-1701)
- First officer's log, USS Enterprise (NCC-1701)
- First officer's log, USS Enterprise (NCC-1701-D)
- First officer's log, USS Excelsior
- First officer's log, USS Voyager
- First officer's personal log, USS Enterprise (NCC-1701-D)
- First officer's personal log, USS Voyager
- First planets
- Firstborn
- Fisel
- Fish
- Fish River Canyon
- Fish cabbage
- Fish juice
- Fisher
- Fisher I
- Fisher I-A
- Fisher system
- Fishing
- Fiske
- Fissk
- Fistrium
- Fitzan System Patrol
- Fitzgerald
- Fitzgerald (Admiral)
- Fitzgerald (USS Enterprise)
- Fitzgerald (shuttlecraft)
- Fitzpatrick
- Fitzpatrick (Crewman)
- Fitzpatrick (Priest)
- Fitzpatrick (cat)
- Five-year mission
- Five Brothers
- Five Families
- Five Kings
- Fivilin
- Fixed point in time
- Fizzbin
- Fizzbin (Orion)
- Fizzbin (disambiguation)
- Flad Orzon
- Fladge
- Flag
- Flag Officers' Handbook
- Flag and Grog
- Flag of the United Federation of Planets
- Flag of the United States of America
- Flag officer
- Flagine Corporation
- Flagship
- Flaherty
- Flaherty (USS Enterprise-A)
- Flaked blood flea
- Flam
- Flame-thrower
- Flame Cliffs of Kutabi
- Flame lily
- Flamer
- Flames of Darkness
- Flaming idiot fish
- Flaming nova
- Flammarion class
- Flanarian bird
- Flanner Posh
- Flare
- Flarflandia
- Flarset
- Flash Gordon
- Flash Point
- Flash drive
- Flash grenade
- Flashback
- Flashback (psychology)
- Flashlight
- Flask
- Flat Earth Society
- Flatbrain
- Flatroot
- Flavius
- Flavius (disambiguation)
- Flavius Glavius (23rd century)
- Flavius Maximus
- Flax
- Flaxian
- Flaxos
- Flaxt'a
- Flayer
- Flaygrub
- Flaying Dance
- Flea
- Flea market
- Fleece needle
- Fleer/ic
- Fleer/ok
- Fleet
- Fleet Alert
- Fleet Captains
- Fleet Command
- Fleet Command Codes
- Fleet Setup Station
- Fleet Transport Defense
- Fleet admiral
- Fleet captain
- Fleet chief engineer
- Fleet commander
- Fleet jagul
- Fleet station
- Fleetness
- Fleinn
- Flek
- Flem
- Fleming
- Fleming (Admiral)
- Fleming (Ensign)
- Flemp cookie
- Flen etHamwora
- Flesh and Blood
- Flesh and Stone
- Flesh of My Flesh
- Fletcher
- Fletcher (Lieutenant)
- Fletcher Christian
- Fletcher Chu-Fong
- Fletcher I
- Fletcher II
- Fletcher system
- Flight-deck carrier
- Flight 19
- Flight controller
- Flight from Virinat
- Flight recorder
- Flight ring
- Flimsies
- Flint
- Flipbook
- Flitter
- Flitterbird
- Flivver
- Floater
- Floating city
- Floating island
- Floe
- Floe I
- Floe system
- Floppy disk
- Flor Daraan
- Flora
- Flora (planet)
- Florence
- Florence Nightingale
- Flori
- Flori system
- Florida
- Florida (disambiguation)
- Flotter
- Flower
- Flower of Knowledge
- Flowering phistella sporophyte
- Flowering vine plant
- Floyd
- Floyd (Only)
- Floyd (Starfleet)
- Flugol Corporation
- Fluid Dynamics
- Fluidic Destruction
- Fluidic gate
- Fluidic space
- Flunkatraz
- Fluorine
- Fluoroscopy
- Flus
- Flute
- Flux capacitor
- Flux generator
- Flux spectrometer
- Fly
- Fly Me to the Moon
- Fly Me to the Moon (disambiguation)
- Fly Me to the Moon (episode)
- Flyer (Giant Killer)
- Flyer class
- Flying Dutchman
- Flying High
- Flynk
- Flynn
- Flynn (Ensign)
- Flyspeck
- Fo Hachesa
- Foamet
- Foci
- Fockewulfe Fu-190
- Foctine
- Focus on... Star Trek
- Fog
- Fog (Ferengi)
- Fokker DR-1
- Foladan
- Foladan IX
- Folanir Pzial
- Folded space transporter
- Foley (disambiguation)
- Folkahr
- Folke
- Folloss
- Followers
- Followers of Kahless
- Followers of T'Shen
- Followers of T'Vet
- Followers of the Cupric Band
- Folnar
- Folnar III
- Folora
- Fomalhaut
- Fomalhaut Frenzy
- Fomalhaut V
- Fomorian
- Fonawl
- Fondue
- Fondue neuchateloise
- Fong
- Fong (Captain)
- Fong I
- Fong II
- Fong system
- Fonnam
- Fonnam II
- Fontaine (disambiguation)
- Fontana
- Fontana (disambiguation)
- Fontana Institute Review
- Fontana Meadow
- Food synthesizer
- Foods and beverages
- Fool's Gold
- Fool's Gold, Issue 1
- Fool's Gold, Issue 2
- Fool's Gold, Issue 3
- Fool's Gold, Issue 4
- Foolie
- Football
- Foposav
- For He's a Jolly Good Fellow
- For Now and Ever
- For Want of a Nail
- For Whom the Bell Tolls
- For the Cause
- For the Glory of the Empire
- For the Uniform
- For the World is Hollow and I Have Touched the Sky
- Foraiga
- Foral
- Foram Canara
- Forati sauce
- Forbearant
- Forbes
- Forbidden Fruit...
- Forbidden Rooms
- Forbin Project
- Forbus
- Forcas
- Forcas III
- Force and Motion
- Force beam
- Force field
- Force field generator
- Force of Law
- Force of Nature
- Ford's Theatre
- Ford (disambiguation)
- Ford Motor Company
- Fordham University
- Forebears
- Forecic
- Forehead
- Foreign Foes
- Foreign Minister of the Andorian Empire
- Foreign Minister of the Confederacy of Vulcan
- Foreign Minister of the Romulan Star Empire
- Foreign Service
- Foreman
- Foreman (disambiguation)
- Foremother
- Forensic pathologist
- Forerunner Era
- Forest
- Forest (Lieutenant)
- Forest of Forever
- Forest of Tar'g'n
- Forester
- Forester's bridge simulation group
- Forever Dark
- Forewarned and Three-Armed
- Forge
- Forge (Romulan)
- Forged in Fire (STO)
- Forget Me Not
- Forging Alliances
- Forging Bonds
- Forgiveness
- Forgotten History
- Forgotten Light
- Foris Hajan
- Forkis
- Forlat III
- Forma
- Forma VI
- Formal reception room
- Formaldehyde
- Forman
- Formation light
- Formax
- Formazine
- Formek
- Forming pod
- Formless
- Formorax
- Fornax
- Fornax I
- Fornax II
- Fornax constellation
- Fornax system
- Fornia
- Fornian