Proteus is an early Greek water god.
Proteus may also refer to:
People
- Charles Proteus Steinmetz (1865–1923), German-American mathematician and electrical engineer
- Peregrinus Proteus (died 165), Cynic philosopher, from Parium in Mysia
- Proteus (Greek myth), name of multiple mythical characters
- Proteus of Egypt, an ancient Egyptian king who was associated with the island of Pharos
Characters
- Proteus (The Two Gentlemen of Verona), a character from William Shakespeare's play The Two Gentlemen of Verona
- Dr. Paul Proteus, the main character in Player Piano by Kurt Vonnegut
- Prince Proteus of Syracuse, a character in the 2003 DreamWorks Animation film Sinbad: Legend of the Seven Seas
- Proteus, the Prime Minister in The Apple Cart by George Bernard Shaw
- Proteus IV, a villainous supercomputer in the Dean Koontz novel and film Demon Seed
- Proteus, the second monster created by Victor Frankenstein in the TV show Penny Dreadful
Characters in comics
- Proteus (Marvel Comics), a Marvel Comics mutant
- Proteus (DC Comics), a DC Comics super-villain, enemy of the superhero the Creeper
Biology
- Amoeba proteus, the most famous species of amoebae
- Proteus (amphibian), a small cave-dwelling amphibian genus, also known as the olm
- Proteus (bacterium), a genus of Proteobacteria responsible for many human urinary tract infections
- Proteus, a cultivar of Clematis introduced in 1876
Medicine
- Proteus syndrome, a very rare congenital disorder known mostly for its most famous sufferer Joseph Merrick (the Elephant Man)
- Proteus-like syndrome, a condition similar to Proteus syndrome, but with an uncertain etiology
Science
- Proteus (alchemy), a term for the "first matter" (prima materia)
- Proteus (moon), a natural satellite of Neptune
- Proteus (satellite), a French multimission satellite platform
Software and hardware
- Proteus (programming language), a fully functional, procedural programming language created in 1998 by Simone Zanella
- Proteus (proteomics software), a software using Trans-Proteomic Pipeline technology
- Proteus (video game), an exploration video game created in 2013
- Proteus Design Suite, a proprietary software tool suite used primarily for electronic design automation
In media
- Proteus (play), a satyr play by Aeschylus, part of the Oresteia
- "Proteus" (X-Men episode), an episode of the X-Men animated series
- Proteus (video game), a 2013 video game developed by Ed Key and David Kanaga
- "Proteus", an episode of the television series Person of Interest
Films
- Proteus, a 1995 film by director Bob Keen
- Proteus (2003 film), a film by Canadian director John Greyson
- Proteus (2004 film), an animated documentary by David Lebrun
Novels
- Proteus In The Underworld, a science fiction novel by Charles Sheffield and published in 1995
- The Proteus Operation, a science fiction novel written by James P. Hogan and published in 1985
- "Proteus" (Ulysses episode), an episode in James Joyce's novel Ulysses
- Proteus, a novel by Morris West and published in 1979
Vehicles
- Bluebird-Proteus CN7, a wheel-driven land speed record-breaking car
- HMS Proteus (disambiguation), several ships
- Proteus (watercraft), an experimental vessel developed by Marine Advanced Research
- Scaled Composites Proteus, an experimental aircraft
- USS Proteus (disambiguation), several ships
- A type of diver propulsion vehicle; there are at least two makes called Proteus:
- Proteus replica Jaguar C-Type car, manufactured in the UK by Proteus sports and racing cars
- Saturn (Russian Navy), a class of Russian tugboats
Fictional vehicles
- Proteus (submarine), the miniaturized submarine in the 1966 movie Fantastic Voyage
- Proteus, a derelict spacecraft infested with alien spiders in the 1998 film Lost in Space
- Proteus, a Strategic Cruiser class ship from the MMORPG Eve Online
- Proteus, a new US Navy warship in a season 2 episode of New Captain Scarlet entitled Proteus
- Proteus, a legendary narrow gauge steam locomotive from Thomas & Friends
Engines
- Bristol Proteus, a turboprop engine
Organisations
- Proteus-eretes, the largest student rowing club in Delft, Netherlands
- Proteus Gowanus, an interdisciplinary gallery and reading room founded in 2005 in Gowanus, Brooklyn, New York, United States
- Krewe of Proteus, the second oldest parade krewe at New Orleans Mardi Gras
Companies
- Proteus Airlines, a French regional airline with its head offices in Saint-Apollinaire, Côte-d'Or, France, near Dijon, and in Saint-Étienne
- Studio Proteus, a Japanese manga import, translation and lettering company
Other
- E-mu Proteus, a series of sample playback synthesizers
- Proteus, a board game by Steve Jackson Games
- Proteus effect, an effect that appears when the behavior of an individual conforms to their digital self-representation
- Proteus phenomenon, the tendency in science for early replications of a work to contradict the original findings, a consequence of publication bias
See also
- Proteans (body language), a class of subtle body language flirting signals
- Protea (disambiguation)
- A. proteus (disambiguation)
- Protei (disambiguation)
- Proetus, name of multiple Greek mythical characters
- Proetus (trilobite), a genus of trilobite
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