Triton may refer to:

• Triton, a Greek god; his name and image have come to be associated with a class of mythological beings called Tritons.
• Triton, the largest moon of the planet Neptune.
• The Tritons are the athletic mascot for the University of California, San Diego.
• A tritium nucleus, particularly one used as a bombarding particle or emitted in a nuclear reaction.
• Several navies have commissioned vessels named Triton:
  • Eight vessels of the Royal Navy named HMS Triton.
  • Three vessels of the United States Navy named USS Triton.
  • Two ships of the United States Coast Guard named USCGC Triton.
• Triton, the Allied code name for a communication network utilising the Enigma machine used by German War Navy during the Second World War.
• A newt or salamander.
• King Triton is also the name of Princess Ariel's father in the Disney movie, The Little Mermaid.
• Triton, a novel by Samuel R. Delany.
• The Ford Triton engine, a DOHC V8 engine made by the Ford Motor Company.
• The Korg Triton workstation synthesizer.
• Triton X-100 is a detergent that is often used in extraction buffers because it solublizes proteins.
• Triton , a demo group.
• Triton College, a two-year college located in River Grove, Illinois (USA).