REACT or React may refer to:

• React (software), a JavaScript library for building user interfaces from Facebook Inc (now Meta Platforms)
  • React Native, a mobile application framework created by Facebook Inc (now Meta Platforms)
• ReactOS, an open-source operating system compatible with Microsoft Windows

• React (book), originally Reacciona, a 2011 Spanish-language book
• React (media franchise), a metaseries of web videos created by the Fine Brothers

• React (band), a 1990s American boys band made of Tim Cruz and Daniel Matrium
• React Music Limited, a 1990s London based dance record label
• React (The Fixx album), a 1987 live album by the band The Fixx
• React (Erick Sermon album), a 2002 album by rapper Erick Sermon
  • "React" (Erick Sermon song), a song from the album
• React (Robert Rich and Ian Boddy album), a 2008 album by electronic musicians Robert Rich and Ian Boddy
• "React" (Onyx song), a song by Onyx on their 1998 album Shut 'Em Down
• "React" (The Pussycat Dolls song), a 2020 song by the Pussycat Dolls
• "React" (Switch Disco and Ella Henderson song), a 2023 song by Switch Disco and Ella Henderson

• Radio Emergency Associated Communication Teams, a volunteer radio emergency service across the US and Canada
• Rapid Enforcement Allied Computer Team, a task force of the High Technology Theft Apprehension and Prosecution Program, California, US

• REACT (telescope), a telescope at Fenton Hill Observatory, New Mexico, US
• Rapid Execution and Combat Targeting System, the command and control system of the US for nuclear intercontinental ballistic missiles
• Remote Electronically Activated Control Technology belt (REACT belt), a restraint device

• Reaction (disambiguation)

This disambiguation page lists articles associated with the title React.
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