Cooter may refer to:
- Turtles
- Cooter Turtle (genus Pseudemys)
- Cooter, a non-standard name for the Common Snapping Turtle (Chelydra serpentina)
- Places
- Cooter, Missouri
- Slang
- Slang term for the vagina
- Entertainment
- The Great American Cooter Festival in Inverness, Florida, held in celebration of their local turtles
- "Cooter" (30 Rock), a television episode
- The Cooters (band)
- Cooter, the original name of the punk band Autopilot Off
- People
- Robert Cooter, economics and law professor
- Jim Bob Cooter, former backup quarterback and fan favorite of the Tennessee Volunteers football team
- Cooter Brown, a name used in metaphors for drunkenness
- Cooter Davenport, a character from the TV show The Dukes of Hazzard and subsequent movie
- Cooter Fingerwood, a character on the TV show Pete & Pete
- Sean Couturier, hockey player for the Philadelphia Flyers