first

• Faint Images of the Radio Sky at Twenty-Centimeters, an astronomical survey carried out by the Very Large Array
• Far Infrared and Sub-millimetre Telescope, of the Herschel Space Observatory
• For Inspiration and Recognition of Science and Technology, an international youth organization
• Forum of Incident Response and Security Teams, a global forum

• 1st (album), by Streets, 1983
• 1ST (SixTones album), 2021
• First (David Gates album), 1973
• First, by Denise Ho, 2001
• First (O'Bryan album), 2007
• First (Raymond Lam album), 2011

• 1st, by The Rasmus, 1995
• First (Baroness EP), 2004
• First (Ferlyn G EP), 2015

• "First" (Lindsay Lohan song), 2005
• "First" (Cold War Kids song), 2014
• "First", by Lauren Daigle from the album How Can It Be, 2015
• "First", by Niki and Gabi, 2017
• "First", by Jonas Brothers from the album Happiness Begins, 2018
• "First", by Everglow from the single album Last Melody, 2021
• "First", by Schoolboy Q from the album Blue Lips, 2024

• 1$T, American musician
• Craig First (born 1960), American composer
• David First (born 1953), American composer
• Joshua First, American historian
• Michael First (born 1956), American psychiatrist
• Nenad Firšt (born 1964), Slovene composer
• Kanaphan Puitrakul (born 1998), Thai actor whose nickname is First

• First (Grindelwald), Canton of Bern, Switzerland
• First (Kandersteg), Canton of Bern, Switzerland

• First, a British undergraduate degree classification
• FiRST, a magazine merged into the Singaporean newspaper The New Paper
• First (perfume), by Van Cleef & Arpels

{{Canned search|First|1st}}

• {{Look from|First}}
• {{Look from|1st}}
• {{In title|First}}
• {{In title|1st}}

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• {{Category|Lists of firsts}}
• First Amendment (disambiguation)
• First Lady (disambiguation)
• First man (disambiguation)
• First Nations (disambiguation)
• First person (disambiguation)
• First Things First (disambiguation)
• First War (disambiguation)
• First woman (disambiguation)
• FST (disambiguation)
• Ist (disambiguation)
• La 1ère (disambiguation) ({{langx|fr|La Première||The First|link=no}})
• Number One (disambiguation)
• One (disambiguation)
• Preliminary (disambiguation)
• Premiere (disambiguation)
• Primary (disambiguation)
• The First (disambiguation)
• First and Foremost, a compilation album by David Campbell, 2008
• First grade, the starting year of primary education
• First of All, a song by Doja Cat, 2023
• First Racing, a former Italian motor racing team
• FirstGroup, a British transportation company
• Front-runner, the leader in an electoral race
• Fürst, a German princely title
• Fürst (surname)
• Gold medal, awarded for highest achievement in a civilian field
• Proto-, an English prefix meaning "first"
• World record, the best recorded and verified performance in a specific activity

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{{Disambiguation|geo|surname}}