Nautilus (submarine)

Nautilus is the name of several submarines, submersibles, and semisubs. They are named for the nautilus.

Military subs

 * Nautilus, a French First Republic sub designed by Fulton, considered the first practical sub (1800–1802)
 * FRENCH SUBMARINE Nautilus, a French Navy sub, a Saphir-class submarine (1927–1947)
 * HMS Nautilus, a UK Royal Navy sub, the largest RN sub at service entry (1914–1922)
 * USS Nautilus, a U.S. Navy sub, a Narwhal-class submarine (1930–1945)
 * USS Nautilus, a prototype U.S. Navy sub, the first nuclear submarine (1954–1980)

Civilian subs

 * Nautilus, a former U.S. Navy submarine, a O-class submarine (1917–1931)
 * UC3 Nautilus, a Danish civilian home-built sub, part of a 2017 murder case (2009–2018)

Fictional subs

 * Nautilus, a fictional submarine created by Jules Verne. Found in the novels Twenty Thousand Leagues Under the Seas (1870) and The Mysterious Island (1874)