Sucker may refer to:

• Lollipop or sucker, a type of confection
• Basal shoot or sucker, a shoot or cane that grows from the base of a tree or shrub
• Sucker (fish) or Catostomidae, a family of fish of the order Cypriniformes
• Suckers, cup-shaped parts of tentacles or arms of some animals

In entertainment:

• "Suckers" (CSI episode)
• "Sucker", a song by Peaches from The Teaches of Peaches
• "Suckers!", a song by Super Furry Animals from Hey Venus!

See also

• Sucker bet, a bet based on something other than expected return
• Sucker hole, a colloquial boating and sailing term
• Sucker list, a list of persons who have previously been successfully solicited for something
• Sucker punch, an act of violence
• "There's a sucker born every minute", a phrase often credited to American showman P.T. Barnum
• Suckerfish, a common name for Plecostomus, a genus of catfish popular as aquarium fish