| First Blood Match | First Born | First Boston |
| First Canadian Centre | First Canadian Place | First Certificate |
| First certificate in english | First Certificate in English | First Choice |
| First Choice Airways | First Christian Church (Columbus, Indiana) | First Church of Christ, Scientist (Berkeley, California) |
| First Citizens Cup | First City Tower | First Class |
| First Class 10 | First Class 8 | First Coconut Grove School |
| First Come First Served | First come first served | First Come, First Served |
| First come, first served | First Comes the Night | First Comics |
| First comics | First Congregational Church of Detroit | First Cow |
| First Date | First Date (canción) | First Date (cancion) |
| First Dates | First Dates Café | First Dates: Crucero |
| First Daughter | First Day | First day of my life |
| First Day of my Life | First Day Of My Life | First Day of My Life |
| First Day of My Life (canción) | First Day of My Life (cancion) | First day of my life (single) |
| First Daze Here (The Vintage Collection) | First Demo Tape | First Ditch Effort |
| First Down | First Down (Prison Break) | First Dream |
| First Encounter Assault Recon | First Encounter Tour 1996 | First Federal Building |
| First Financial Bank (Ohio) | First Financial Center | First Fleet |
| First Folio | First German Reformed Church | First Glance |
| First Glance / Harder... Faster | First Group | First Hand |
| First Harvest The Best of Alphaville 1984 1992 | First Harvest The Best of Alphaville 1984-1992 | First Harvest: The Best of Alphaville 1984 1992 |
| First Harvest: The Best of Alphaville 1984-1992 | First Hawaiian Center | First Hill Streetcar |
| First Horizon Bank | First Houses | First Impact |
| First Impressions (Angel) | First Impressions of Earth | First impressions of earth |
| First in first out | First In First Out | First In Last Out |
| First in last out | First in never out | First In Never Out |
| First in, first out | First In, First Out | First In, Last Out |
| First in, last out | First in, never out | First In, Never Out |
| First Inner Mongolia Machinery Factory | First International Computer | First Interstate Center |
| First Issue | First Japan Tour Wake Up: Open Your Eyes | First kaleidscope ~Kimi no Uchi ni Tsuku Made Zutto Hashitte Yuku~ |
| First Kid | First Kid, El hijo del presidente | First Kiss |
| First Kiss (serie de televisión) | First Knight | First Lady of Israel |
| First Landing Party of the Founders of Newark | FIRST Lego League Challenge | First Line Films |
| First Live Recordings | First Look Media | First Lord of the Admiralty |
| First Lord of the Treasury | First Love | First Love (álbum) |
| First Love (canción de Jennifer Lopez) | First Love (canción de Lost Kings) | First Love (EP) |
| First Love (Hikaru Utada) | First Love (Utada Hikaru) | First Love Sisters |
| First Majestic Silver | First Man | First Man (canción) |
| First Market Tower | First meeting of the Internet Governance Forum | First Mesa |
| First Mesa (Arizona) | First Minister | First Mortgage Company Building |
| First Nation Airways | First National | First National Bank and Trust Building (Lima, Ohio) |
| First National Bank Building | First National Bank Building (Albuquerque) | First National Bank Building (Ann Arbor) |
| First National Bank Building (Ann Arbor, Michigan) | First National Bank Building (Hartford) | First National Bank Building (Hartford, Connecticut) |
| First National Bank Building (Pittsburgh) | First National Bank Building (Portland) | First National Bank Building (Portland, Oregon) |
| First National Bank Building (Saint Paul) | First National Bank Building (Saint Paul, Minnesota) | First National Bank of Commerce Building |
| First National Bank of Rock River | First National Bank Stadium | First National Bank Tower |
| First National Building | First National City Bank | First National City Bank of New York |
| First National Pictures | First National State Bank Building | First Nations |
| First nations | First Nations Experience | First Niagara Center |
| First of His Name | First of May (librería) | First of May (Librería) |
| First of the Gang to Die | First of the Year (Equinox) | First Of The Year (Equinox) |
| First Orbit | First party | First past the post |
| First Person Shooter | First person shooter | First Place Tower |
| First Police Precinct Station House | First Presbyterian Church (Cass City, Michigan) | First Presbyterian Church (Coldwater, Michigan) |
| First Presbyterian Church (Hartford City, Indiana) | First Quantum Minerals | First Racing |
| FIRST Racing | First Rand | First Rand Group |
| First Rand Limited | First Reformed | First Republic Bank |
| FIRST Res-Q | First Reserve Corporation | First Responder Bowl |
| FIRST Robótica | FIRST Robotica | FIRST Robotics Competition |
| First Rose of Spring | First Roumanian-American congregation | First Round Knock Out |
| First school | First Sea Lord | First Security Bank Building |
| First Sessions | First Seven Kisses | First Shearith Israel Graveyard |
| First Solar | First soundscope ~Mizu no nai Hareta Umi e~ | First Squad |
| First Squad: The Moment of Truth | First Sting | First Strike for Spiritual Renewance |
| First strike for spiritual renewance | First Strike Still Deadly | First Sunday |
| First Tactical Air Force | First Take | First Tennessee Park |
| First Things First | First Thurston County Courthouse | First Time |
| First time | First Time (álbum de Morning Musume) | First Time (canción de Jonas Brothers) |
| First Time (Canción de Jonas Brothers) | First Time (canción de Kygo y Ellie Goulding | First Time (canción de Kygo y Ellie Goulding) |
| First Time (canción de Lifehouse) | First Time (canción de Robin Beck) | First Time (EP) |
| First Time Again | First Touch Games | First Touch Soccer |
| First Union Center | First Union Invitational | First Union Liberty Classic |
| First Union Spectrum | First Unitarian Church (Cincinnati, Ohio) | First Unitarian Church of Detroit |
| First Unitarian Church of Rochester | First Unitarian Church of Rochester (building) | First United Methodist Church (Albuquerque, New Mexico) |
| First United Presbyterian Church (Sault Ste. Marie, Michigan) | First Universalist Church (Providence, Rhode Island) | First Vienna |
| First Vienna FC | First Vienna FC 1894 | First Vienna Football Club 1894 |
| First Wave | First Wives Club | First Wives Club (serie de televisión) |
| First World Hotel | First World Hotel & Plaza | First World Towers |
| First Yaya | First-party | First-past-the-post |
| First-person shooter | FirstEnergy Stadium | FirstEnergy Stadium (Cleveland) |
| FirstGroup | FirstGroup plc | FirstMerit Tower |
| FirstOntario Centre | Firstpost | FirstRand Bank |
| Firth | Firth (Idaho) | Firth (Nebraska) |
| Firth Colin | Firth de Clyde | Firth de Forth |
| Firth de Tay | Firth of Clyde | Firth of Fifth |
| Firth Of Fifth | Firth of fifth | Firth of Forth |
| Firth of Lorn | Firth of Tay | Firthcliffe |
| Firthcliffe (Nueva York) | Firuddin Babayev | Firudin bey Vezirov |
| Firulete | Firuzabad | Firuzabad (Amirabad) |
| Firuzabad, Amirabad | Firuzkoh | Firwood (Washington) |
| Firzovik | FIS | FISA |
| Fisa Team Cup | FiSahara | Fisalina |
| FISC | Fiscal | Fiscal (Amares) |
| Fiscal (Derecho) | Fiscal (funcionario) | Fiscal (Huesca) |
| Fiscal Chase | Fiscal de distrito | Fiscal de distrito (Estados Unidos) |
| Fiscal de la Nación (Perú) | Fiscal de la Nacion | Fiscal del Tribunal Supremo |
| Fiscal enmascarado | Fiscal General | Fiscal general |
| Fiscal General de Estados Unidos | Fiscal general de Estados Unidos | Fiscal general de Honduras |
| Fiscal General de Illinois | Fiscal General de India | Fiscal General de la India |
| Fiscal General de la República (España) | Fiscal General de la República (México) | Fiscal general de la República (México) |
