First most commonly refers to: * First, the ordinal form of the number 1 First or 1st may also refer to:

Acronyms

Faint Images of the Radio Sky at Twenty-Centimeters Faint Images of the Radio Sky at Twenty-Centimeters, or FIRST, was an astronomical survey of the Northern Hemisphere carried out by the Karl G. Jansky Very Large Array, Very Large Array. It was led by Robert H. Becker, Richard L. White, and David J ...

, an astronomical survey carried out by the Very Large Array * Far Infrared and Sub-millimetre Telescope, of the

Herschel Space Observatory The Herschel Space Observatory was a space observatory built and operated by the European Space Agency (ESA). It was active from 2009 to 2013, and was the largest infrared telescope ever launched until the launch of the James Webb Space Telesco ...

* For Inspiration and Recognition of Science and Technology, an international youth organization * Forum of Incident Response and Security Teams, a global forum

Arts and entertainment

Albums

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

Extended plays

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

Songs

* First (Lindsay Lohan song), "First" (Lindsay Lohan song), 2005 * First (Cold War Kids song), "First" (Cold War Kids song), 2014 * "First", by Lauren Daigle from the album ''How Can It Be (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 (Schoolboy Q album), Blue Lips'', 2024

People

* 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

Places

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

Other uses

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

* * * * * * 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) () * 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 {{Disambiguation, geo, surname