Action may refer to:

• Action (philosophy), something which is done by a person
• Action (narrative), a literary mode
• Action fiction, a type of genre fiction
• Action game, a genre of video game

• Action film, a genre of film
• Action (1921 film), a film by John Ford
• Action (1980 film), a film by Tinto Brass
• Action 3D, a 2013 Telugu language film
• Action (2019 film), a Kollywood film.

• Action (music), a characteristic of a stringed instrument
• Action (piano), the mechanism which drops the hammer on the string when a key is pressed
• The Action, a 1960s band

• Action (B'z album) (2007)
• Action! (Desmond Dekker album) (1968)
• Action Action Action or Action, a 1965 album by Jackie McLean
• Action! (Oh My God album) (2002)
• Action (Oscar Peterson album) (1968)
• Action (Punchline album) (2004)
• Action (Question Mark & the Mysterians album) (1967)
• Action (Uppermost album) (2011)
• Action (EP), a 2012 EP by NU'EST
• Action, a 1984 album by Kiddo

• "Action" (Freddy Cannon song) (1965), the theme song to the TV series Where the Action Is
• "Action" (Sweet song) (1975), covered by various artists
• "Action", a version of "Feeling This" by Blink-182
• "Action", a 1994 song by Terror Fabulous featuring Nadine Sutherland
• "Action", a 2020 song by Black Eyed Peas from Translation
• "Action", a 1984 song by The Fits
• "Action", a 1960 song by Lance Fortune
• "Action", a 1988 song by Pearly Gates
• "Action", a 1988 song by Girlschool from Take a Bite
• "Action", a 1989 song by Gorky Park from Gorky Park (album)
• "Action", a 2003 song by Powerman 5000 from Transform
• "Action", a 1972 song by Scorpions from Lonesome Crow
• "Actions", a 1980 song by The Stingrays
• "Action Action Action Action Action", a 2008 song by We Are the Physics from We Are the Physics Are OK at Music

• Action (comics), a British comic book published in 1976–1977
• Action Comics, a DC Comics comic book series
• Action: A Book about Sex, a 2016 book by Amy Rose Spiegel
• Action (newspaper), a newspaper of Oswald Mosley's British Union of Fascists
• Hareket, conservative magazine in Turkish which was named after action theory

• Action Bronson (born 1983), American rapper, reality television star, author, and talk show host

• Action (Canadian TV channel)
• Action (French TV channel)
• The Action Channel (US TV channel), a subsidiary of Luken Communications
• Action (radio), a 1945 radio program
• Action (TV series), a comedy series on Fox in 1999–2000
• CBS Action (2009–2018), now known as CBS Justice
• Sky Sports Action, a TV channel

• Action (theatre), a principle in Western theatre practice
• Action (play), a 1975 play by Sam Shepard

• Action (store), a Dutch discount store chain with branches in many European countries
• Action (supermarkets), an Australian supermarket chain
• Actions Semiconductor, a Chinese semiconductor company
• ACTION, an Australian public transport company
• The Action Network (branded as Action), an American sports betting analytics company

• Action (Cypriot political party), a Cypriot political alliance
• Action (Greek political party), a Greek political party
• Action (Italian political party), an Italian political party

• ACTION (U.S. government agency), a former US government federal domestic volunteer agency

• Action (physics), an attribute of the dynamics of a physical system
• Action at a distance, nonlocal interaction in physics
• Group action (mathematics)
  • Continuous group action
  • Semigroup action
• Ring Action (mathematics)
• Action (firearms), the mechanism that manipulates cartridges and/or seals the breech
• Action! (programming language), for the Atari 8-bit family of microcomputers
• Action (UML), in the Unified Modeling Language
• Dudek Action, a Polish paraglider design
• Diia, a brand of e-governance in Ukraine

• Lawsuit or action

• Action Force (disambiguation)
• Action Jackson (disambiguation)
• Action Man (disambiguation)
• Action theory (disambiguation)
• Acteon (disambiguation)
• Actaeon (disambiguation)
• Acción (disambiguation)
• Structural load, forces, deformations, or accelerations applied to a structure or its components
• All pages with titles beginning with Action
• All pages with titles containing action