An invasion is a military action of soldiers entering a foreign land.

Invasion may also refer to:

Film Invasion (1966 film), a British film Invasión, a 1969 Argentine film Invasion (1970 film), a French-Italian film Invasion, an alternate title for the 2005 direct-to-DVD film H. G. Wells' War of the Worlds by David Michael Latt The Invasion (film), a 2007 American film Invasion (2012 film), a German-Austrian film Invasion (2014 film), a Panamanian film Invasion (2017 film), an Iranian film Invasion (2020 film), a Russian film

Television Invasion (miniseries), a 1997 miniseries Invasion (British TV series), a 2001 BBC TV documentary Invasion (2005 TV series), an American television series Invasion (2021 TV series), an American television series The Invasion (Doctor Who), an eight-part Doctor Who serial from 1968

Episodes "Invasion", fifth episode of the 1965 Doctor Who serial The Web Planet "Invasion", first episode of the 1974 Doctor Who serial Invasion of the Dinosaurs "Invasion" (Sliders), a 1996 episode of Sliders "Invasion" (CSI: Miami), a 2004 episode of CSI: Miami "Invasion" (Foyle's War), a 2006 episode of Foyle's War "Invasion" (Grey's Anatomy), a 2009 episode of Grey's Anatomy "Invasion!" (Arrowverse), a 2016 Arrowverse (Arrow/The Flash/Supergirl/Legends of Tomorrow) television crossover event, inspired by the DC Comics series

Professional wrestling The Invasion (professional wrestling), a 2001 interpromotional professional wrestling storyline involving the WWF, WCW and ECW WWF Invasion, a 2001 WWF professional wrestling pay-per-view

Literature and comics Invasion (Cook novel), a 1997 novel by Robin Cook Invasion (Koontz novel), a 1975 novel by Dean Koontz Invasion (Harry novel), a 2000 novel by American author Eric L. Harry Invasion (Rhinehart novel), a 2016 novel by Luke Rhinehart. Invasion! (DC Comics), a 1989 DC Comics crossover event Invasion! (2000 AD), a series in early issues of the comic 2000 AD Invasion (2300 AD), a 1988 role-playing game supplement for 2300 AD Invasion: How America Still Welcomes Terrorists, Criminals, and Other Foreign Menaces to Our Shores, a 2002 nonfiction book by Michelle Malkin

Music Invasion (Dragon Fli Empire album), 2005 Invasion (Manilla Road album), 1980 Invasion (Nastyboy), the first studio album by NB Ridaz Invasion (Upstairs), the second studio album by NB Ridaz Invasion, a 2015 album by Savant Invasion, a 2020 EP by Au5 and Prismatic "Invasion", song by Eisley from Combinations (album) "Invasion", 1979 song by Iron Maiden from The Soundhouse Tapes "Invasion", 2025 song by Yeji from Air "Invasion", song by Chumbawamba from Pictures of Starving Children Sell Records

Games Invasion (Magic: The Gathering), an expansion to the Magic: The Gathering collectible card game Invasion, a strategy board game created by Dennis Wheatley and published in 1938 Invasion, a strategy video game for the Magnavox Odyssey

Other uses Invasion (cancer), the process by which cancer cells directly extend and penetrate into neighboring tissues in cancer

See also Invasion U.S.A. (disambiguation) Invasion! (disambiguation) Inwazja ("Invasion"), a 2019 Polish television film Invader (disambiguation) The Invasion (disambiguation)