Nessie is a nickname of the Loch Ness Monster, a cryptid that reputedly inhabits the Loch Ness lake in Scotland.
Nessie or NESSIE may also refer to: __NOTOC__ People Andrew Nesbitt Nessie Snedden (1892–1968), New Zealand cricketer Nessie Stewart-Brown (1864–1958), British suffragist and politician
Fictional characters Renesmee Carlie Cullen or Nessie, in the novel Breaking Dawn, part of the Twilight series Vanessa Kapatelis or Nessie, in the Wonder Woman comic books Nessie, an amphibious character in the Boneyard comic book series Nessie, in Kaiju ouji, a Japanese tokusatsu/kaiju television series Nessie, a fictional shark, specifically Loch Ness Monster, (possibly also a reptilian creature or dinosaur) present as a playable character in the video game Hungry Shark Evolution, an installment in the video game series Hungry Shark
Other uses NESSIE or New European Schemes for Signatures, Integrity and Encryption, a European research project to identify secure cryptographic primitives Mitsubishi Nessie, a concept automobile Tropical cyclone Nessie, in the 1973–74 South Pacific cyclone season Nessie Rock in Antarctica Nessie (film), a 2023 British-American film
See also National Survey of Student Engagement (NSSE), a survey instrument for student participation levels at universities and colleges in Canada and the United States Nessi