Undertow may refer to:
- Undertow (water waves), a strong undercurrent flowing in a different direction from the surface current
Film
- The Undertow (1916 film), a silent drama
- The Undertow (1915 film), a short silent film directed by Jack Harvey
- Undertow (1930 film), a romantic drama starring Mary Nolan
- Undertow (1949 film), a crime thriller directed by William Castle
- Undertow (1996 film), a film directed by Eric Red
- Undertow (2004 film), a thriller directed by David Gordon Green
- Undertow (2009 film), a Peruvian film
- Undertow (2018 film), an Australian TV film
Television
- The Undertow (TV series), an upcoming Netflix series
- "Undertow" (CHiPs), an episode of CHiPs
- "Undertow" (The Killing), an episode of The Killing
- "Undertow" (Motive), an episode of Motive
- "Undertow" (The Wire), an episode of The Wire
- "The Undertow" (The O.C.), an episode of The O.C.
Music
- Undertow (band), a 1990s American punk music group
- Undertow Music, an American independent artists' collective
- The Undertow Orchestra, an indie rock "supergroup" associated with the collective
- Undertow, a composition for concert band by John Mackey
Albums
- Undertow (Blind Idiot God album), 1989
- Undertow, 1993 Tool album, or the title song
- Undertow (Drenge album), 2015
- Undertow (Mark Seymour album), 2011
- Undertow, by Firefall
- Undertow, by Sidsel Endresen
- Undertow, by Stan Meissner
Songs
- "Undertow" (song), a 2010 song by Warpaint
- "Undertow", by Ane Brun from It All Starts with One
- "Undertow", by As I Lay Dying from Shaped by Fire
- "Undertow", by Bowling For Soup Bowling for Soup Goes to the Movies
- "Undertow", by Chroma Key from Dead Air for Radios
- "Undertow", by Coldrain from Vena II
- "The Undertow", by Crystal Lake from The Weight of Sound
- "The Undertow", by For the Fallen Dreams from Six
- "Undertow", by Genesis from ...And Then There Were Three...
- "Undertow", by Ivy from Long Distance
- "Undertow", by James LaBrie from Impermanent Resonance
- "Undertow", by Kim Carnes from Voyeur
- "The Undertow", by Lamb of God from Resolution
- "Undertow", by Leonard Cohen from Dear Heather
- "Undertow", by Lisa Hannigan from At Swim
- "Undertow", by Lush from Split
- "Undertow", by Madder Mortem from Mercury
- "Undertow", by Marty Friedman from Inferno
- "Undertow", by Molotov from Apocalypshit
- "Undertow", by Mr. Big from What If...
- "Undertow", by Pain of Salvation from Remedy Lane
- "Undertow", by Pet Shop Boys from Super
- "Undertow", by R.E.M. from New Adventures in Hi-Fi
- "The Undertow", by Red Fang from Murder the Mountains
- "Undertow", by Sara Bareilles from Careful Confessions
- "Undertow", by Stars from Sad Robots
- "Undertow", by Suzanne Vega from Suzanne Vega
- "Undertow", by Timbaland from Shock Value II
- "Undertow", by Tool from Undertow
- "Undertow", by Ugly Kid Joe from Motel California
- "Undertow", by Warrant from Ultraphobic
Other uses
- Undertow (roller coaster), a roller coaster at Santa Cruz Beach Boardwalk, California
- Undertow (video game), on Xbox Live Arcade
- The Undertow: Scenes from a Slow Civil War, a 2023 book by Jeff Sharlet
- Undertow, a novel by Elizabeth Bear
- Undertow, an action figure in the toy series G.I. Joe: A Real American Hero