| First Class 7.5 | First class 7.5 | First Class 8 |
| First class 8 | First Class van Eeckelghem | First Class Van Eeckelghem |
| First Coast | 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 |
