Sucker may refer to:

• Lollipop or sucker, a type of confection
• Sucker (slang), a slang term for a very gullible person
• Hard candy
  • Cough drop
  • Mint (candy)

• Sucker (botany), a term for a shoot that arises underground from the roots of a tree or shrub
• Sucker (zoology), various adhesive organs
• Suckerfish (disambiguation)

• Suckers or The secret life of suckers, an animated television series by Spanish animation studio BRB Internacional
• The Suckers, a 1972 sexploitation film directed by Stu Segall
• Suckers (film), a 1999 comedy-drama film directed by Roger Nygard
• Sucker, a 2011 horror film produced by Kimberley Kates
• "The Sucker" (The Amazing World of Gumball), a 2018 episode of The Amazing World of Gumball
• "Suckers", a 2003 episode of the fourth season of CSI: Crime Scene Investigation

• Suckers: How Alternative Medicine Makes Fools of Us All, a 2008 book about alternative medicine written by Rose Shapiro

• Suckers (band), a Brooklyn-based band
• Sucker (Charli XCX album), a 2014 album and its title track by Charli XCX
• Sucker (Ian Sweet album), a 2023 album by Ian Sweet
• "Sucker" (song), a 2019 song by the Jonas Brothers
• "Sucker", a 1994 song by Baboon from Face Down in Turpentine
• "Sucker", a 1973 song by The J.B.'s from Doing It to Death
• "Sucker", a 1972 song by Mott the Hoople from All the Young Dudes
• "Sucker", a 2000 song by New Found Glory from New Found Glory
• "Sucker", a 2000 song by Peaches from The Teaches of Peaches
• "Sucker", a 1999 song by Self from Breakfast with Girls
• "Suckers!", a 2007 song by Super Furry Animals from Hey Venus!

• Sücka
• Sucker Lake (disambiguation)
• Suckermouth
• Sucker punch (disambiguation)
• Sucker River
• Sucker State, unofficial nickname for Illinois
• Suction cup
• No Sucker, a 2020 song by Lil Baby and Moneybagg