Many vessels have been named Triton or Tryton, after Triton, the son of Poseidon and Amphitrite, and the personification of the roaring waters:
- , a Danish Navy frigate
- , several Royal Navy vessels
- British T-class submarine, also known as the Triton class, diesel-electric submarines
- , several U.S. Coast Guard vessels
- , several U.S. Navy vessels
- , a trimaran vessel used by the Australians Custom Service, and formerly by the Royal Navy
- , a cruise ship named Triton from 1991 to 2004
- , a vessel that operated on Lake Washington in the first part of the 20th century
- , a sloop manufactured in Sydney, Australia, throughout the 1980s
- , an American 1958 sailboat design
- ; four vessels bearing the name Triton have sailed for the British East India Company.
- was launched at Calcutta and sold shortly thereafter to Spanish owners. She was sailing from Bengal to Cadiz when an American-built and outfitted privateer with a letter of marque from the patriotic forces in Buenos Aires captured her in January 1817.