| First Colony Life | First Come, First Served | First Comes Courage |
| First Comics | First Contact | First Contact (série australienne) |
| First contact (série australienne) | First Contact - Episode 0 | First Cow |
| First Cut | First Dance | First Data |
| First Data 500 | First Data Corporation | First Data Field |
| First Date | First Date (chanson de Yukiko Okada) | First Date (film) |
| First Daughter | First day cover | First Daze Here - The Vintage Collection |
| First de Launay*HN | First de Retz | First demo tape |
| First Direct Arena | First Ditch Effort | First Division Monument |
| First Dog | First Down (épisode de Prison Break) | First Draft News |
| First Earth Battalion | First edition | First Edition |
| First Encounter Assault and Recon | First Encounter Assault Recon | First Encounters |
| First Essay for Orchestra | First European Air Traffic Controller Selection Test | First expired, first out |
| First Family 4 Life | First Fleet | First Flight Airport |
| First Flight Boulder | First flush | First Folio |
| First Fragment | First Girl I Loved | First Great Eastern |
| First Great Western | First Great Western Link | First Group |
| First Hawaiian Bank | First Hawaiian Center | First Hill |
| First Horizon Park | First Houses | First Hull Trains |
| First Impressions | First Impressions (1959) | First Impressions (comédie musicale) |
| First Impressions (Demo) | First Impressions of Earth | First impressions of earth |
| First Impressions Of Earth | First In First Out | First in, first out |
| First In, First Out (gestion) | First in, first out (informatique) | First International Computer |
| First Interstate Bank | First Interstate World Center | First Issue |
| First It Giveth | First Kill | First Kill (série télévisée) |
| First Kiss | First kiss | First Kiss (chanson) |
| First Kiss (homonymie) | First Knight | First Ladies National Historic Site |
| First Lady | First lady | First Lady (film) |
| First Lady (film, 1937) | First Lady Michelle Obama | First Lady of European Jazz |
| First Lady of the United States | First Lego League | First lieutenant |
| First Lieutenant | First Light Imaging | First Light of Dawn |
| First Line | First Live 1993 | First Look Media |
| First Lord of the Admiralty | First Lord of the Treasury | First Love |
| First Love (album d'Hikaru Utada) | First Love (album de Hikaru Utada) | First Love (album de Karina Pasian) |
| First Love (album) | First Love (chanson d'Hikaru Utada) | First Love (chanson de Jennifer Lopez) |
| First Love (chanson) | First Love (film, 1939) | First Love (film, 2010) |
| First Love Sisters | First Love, le dernier yakuza | First Love, le dernier Yakuza |
| First Man | First Man - le premier homme sur la Lune | First Man - Le Premier Homme sur la Lune |
| First Man - Le premier homme sur la Lune | First man - Le premier homme sur la lune | First Man : le premier homme sur la Lune |
| First Man : Le Premier Homme sur la Lune | First Man : Le Premier Homme sur la Lune (film) | First Man : Le Premier Homme sur la Lune (récit) |
| First Man: The Life of Neil A. Armstrong | First Mariner Arena | First Match |
| First Meditations | First Mesa | First Mesa (Arizona) |
| First Mission | First Monday | First Monday in October |
| First Murder | First Narrows Bridge | First National |
| First National Bank | First National Bank (Afrique du Sud) | First National Bank (Uvalde) |
| First National Bank Building | First National Bank Building (Stephenville) | First National Bank Building (Texas) |
| First National Bank of New York | First National Bank Stadium | First National Bank Tower |
| First National City Bank of New york | First National Exhibitors' Circuit | First National Exhibitors’ Circuit |
| First National Pictures | First Nations | First Nations Transportation |
| First Nations University of Canada | First Niagara | First Niagara Bank |
| First Niagara Center | First Night | First of the Year |
| First of the Year (Equinox) | First Orbit | First Oscar |
| First Over Germany | First Pacific | First Party System |
| First past the post | First Peoples Mountain | First Peoples National Party of Canada |
| First Period | First person shoot | First person shooter |
| First Person Shooter | First Person Sneaker | First Person View |
| First Prayer | First Presbyterian Church | First Presbyterian Church of Stamford |
| First Pull Up, Then Pull Down | First Quantum Minerals | First Quantum Minerals Ltd. |
| First Rand | First Rays of the New Rising Sun | First Recordings 1973 |
| First Reformed | First Reproducts | First Republic Bank |
| First Responder Bowl | First Responder Bowl 2018 | First Responder Bowl 2019 |
| First Responder Bowl 2020 | First Responder Bowl 2021 | First Responder Bowl 2022 |
| First Responder Network Authority | First Samurai | First ScotRail |
| First Sea Lord | First Second | First Second Books |
| First second books | First Sensibility | First Sessions |
| First Signs of Frost | First Solar | First South Carolina Volunteer Infantry |
| First South Carolina Volunteers | First Special Service Force | First Squad |
| First Squeeze! | First State | First Step |
| First Sting | First Stop | First Story |
| First Street (métro de Los Angeles) | First Strike | First Strike Still Deadly |
| First Sunday | First Take | First Take (album de Roberta Flack) |
| First Target | First Ten Years | First Tennessee Park |
| First Texas Products | First they killed my father | First Things |
| First Time | First Time (EP) | First Time EP |
| First Time Live | First to Fight | First to Fight (film) |
| First to the Moon : The Journey of Apollo 8 | First to the Moon: The Journey of Apollo 8 | First Touch Games |
| First Tower | First TransPennine Express | First Transpennine Express |
| First Traveling Saleslady | First TV | First Union Center |
| First Union Classic | First Union Invitational | First Union National Bank |
| First Union Spectrum | First Unitarian Church of Philadelphia | First United Methodist Church of Chicago |
| First United States Army | First Utility | First Utterance |
| First Vienna | First Vienna FC | First Vienna FC 1894 |
| First Vienna FC 1894 (féminines) | First Wave | First Wave (TV series) |
| First We Take Manhattan | First Winter (film, 1981) | First World Hotel & Plaza |
| First world problem | First World Towers | First-class cricket |
| First-person adventure | First-person shooter | First-person view |
| First-person-Shooter | First-rate | FirstBank Stadium |
| Firstborn | FirstEnergy | FirstEnergy Stadium |
| FirstEnergy Stadium (Cleveland) | FirstGroup | FirstMerit Bank Pavilion |
| FirstMerit Tower | FirstNet | FirstOntario Centre |
| FirstRand | Firth | Firth (Idaho) |
| Firth (Nebraska) | Firth (rivière) | Firth of Clyde |
| Firth of Fifth | Firth Of Fifth | Firth of fifth |
| Firth of Forth | Firth of Lorn | Firth of Lorne |
| Firth of Tay | Firth of Thames | Firthcliffe (New York) |
| Firts Hull Trains | Firudin Bey Vezirov | Firuz |
| Firuz Abbad | Firuz Kazemzadeh | Firuz Kuh |
| Firuz Mustafayev | Firuz Shah Tughluq | Firuzabad |
| Firuzabadi | Firuzkoh | Firuzshah |
| Firza | Firzë | FIS |
