Rotter or Rotters may refer to:

• Ariel Rotter (born 1973), Argentine film director and screenwriter
• Elizabeth Neff Walker, a pen name of Elizabeth Rotter, American writer of romance novels
• Emília Rotter (1906–2003), Hungarian pairs figure skater
• Jeffrey Rotter, American writer
• Jerzy Rzedowski Rotter (1926–2023), Polish-born Mexican botanist
• Julian Rotter (1916–2014), American psychologist
• Lajos Rotter (1901–1983), Hungarian engineer, pilot and aircraft designer - see Rotter Karakán
• Oscar Rotter (1865-?), German-born New York physician and proponent of free love and contraception
• Rudy Rotter (1913–2001), American artist
• Stephen A. Rotter, film editor

• Faris Badwan (born 1986), also known as Faris Rotter, English musician, former member of the pseudo-punk band The Rotters

• Junior Rotter, from the British comic strips Whizzer and Chips and Buster
• Mr. Rotter, a character from Wheel Squad
• Rotter, a recurring character in the British animated television programme Foxbusters
• Rotters, one name for reanimated dead people in The Walking Dead (franchise)

• The Rotters, a 1921 British comedy