Omega (disambiguation)

Omega (Ω or ω) is the twenty-fourth and last letter of the Greek alphabet.

Omega may also refer to:

Fictional entities

 * Omega (Doctor Who)
 * Omega, a Maximum Ride character
 * Omega, the fictional government agency in the film True Lies
 * Omega, in the Mega Man Zero series
 * E-123 Omega, a Sonic the Hedgehog character
 * Omega, or Genra, a Dead or Alive character
 * Omega 13, a time machine in the 1999 science fiction/comedy film Galaxy Quest
 * Omega Ranger, a Power Rangers S.P.D. character
 * Omega Rugal, a The King of Fighters character
 * The Omegas, in the 2006 film X-Men: The Last Stand
 * Omega, in Star Wars: The Bad Batch
 * Omega OS, a fictional operating system in the 2018 game PC Building Simulator
 * The Omega (Ninjago), a character in Ninjago
 * Omega Flowey, a villain in the game Undertale
 * Omega, the tier 100 skin of the Chapter 1, Season 4 Battle Pass in Fortnite: Battle Royale

Film and television

 * Omega (film), a 2008 Greek film
 * "Omega" (Dollhouse), the 12th episode of the TV series Dollhouse
 * "The Omega Directive", an episode of Star Trek: Voyager, involving a substance called "Omega"
 * "Omega" (The Walking Dead), an episode of the television series The Walking Dead
 * The Omega Man, 1971 American film

Literature

 * Omega (Harris novel), by Christine Harris, 2000
 * Omega (McDevitt novel), Jack McDevitt, 2003
 * Omega (Leonard novel), by Raymond Leonard, 1986
 * Omega: The Last Days of the World, an 1894 science fiction novel by Camille Flammarion
 * Omega the Unknown, an American comic book by Marvel Comics

Groups

 * Omega (band), a Hungarian rock band
 * Omega and the Mechanical Animals, a moniker adopted by Marilyn Manson and his band

Labels

 * Omega (record label), a Dutch record label

Albums

 * Omega (Alyson Avenue album), 2004
 * Omega (Asia album), 2010
 * Omega (Epica album), 2021
 * Omega (Jelena Karleuša album), 2023
 * Omega, by Hound Dog, 2005
 * Omega, by Azaghal, 2008
 * Omega, by Enrique Morente, 1995
 * Juggernaut: Omega, by Periphery, 2015, and a song on that album
 * Omega, by Immanuel Wilkins, 2020

Songs

 * "Ω", by BT from _, 2003
 * "Omega", by Bruce Dickinson from Accident of Birth, 1997
 * "Omega", Crystal Lake from True North, 2016
 * "Omega", Rebecca St. James from Pray, 1998
 * "Omega", by SZA from Z, 2014

Other uses in arts, entertainment and media

 * Omega (audio drama), based on Doctor Who
 * Omega (video game), 1989
 * Omega (journal), an academic journal dedicated to the study of death and dying
 * Omega Mart, an interactive art installation by Meow Wolf
 * Omega Blitz, a Final Smash in Super Smash Bros. for Nintendo 3DS / Wii U

Businesses and organisations

 * OMEGA (counterterrorism unit), in Latvia
 * Omega Aerial Refueling Services
 * Omega Engineering, an American instrumentation company
 * Omega Institute for Holistic Studies, in Rhinebeck, New York, U.S.
 * Omega Pharma, a Belgian pharmaceutical company
 * Omega SA, a Swiss luxury watchmaker
 * Omega Special Task Force, in Georgia
 * Joint Task Force OMEGA, of the Colombian military
 * Omega Training Group, providing support for defense-oriented programs
 * Omega Trust, a fraudulent American investment scheme

People

 * Omega (singer) (born 1979), a Dominican merengue singer
 * Kenny Omega, ring name of Canadian wrestler Tyson Smith (born 1983)
 * Queen Omega (singer) (born 1981), a Trinidadian reggae singer
 * Omega man, the producer of the Omega counterfeit coins

Places

 * Omega, California, U.S.
 * Omega Hydraulic Diggings, historical gold mining site
 * Omega, Georgia, U.S.
 * Omega, Indiana, U.S.
 * Omega, Oklahoma, U.S.
 * Omega Development Site, in Warrington, Cheshire, England

Astronomy and astrodynamics

 * Ω, the density parameter in Friedmann equations
 * Omega Centauri, a globular cluster in the constellation of Centaurus
 * Omega Nebula, a star cluster
 * Argument of periapsis, abbreviated ω
 * Longitude of the ascending node, abbreviated Ω

Computing

 * Omega (TeX), an extension of the typesetting system
 * Omega Drivers, third-party drivers for ATI and nVidia graphics cards
 * Ωmega, a strict pure functional programming language
 * Omega language, in formal language theory
 * Omega2 (computer), by Onion

Mathematics

 * Chaitin's constant, or halting probability, written as Ω
 * Lambert W function, or omega function
 * Omega constant, a specific value derived from the Lambert W function
 * Wright omega function
 * ω, the first infinite ordinal number, also understood as the set of all natural numbers
 * ω1 or Ω, the smallest uncountable ordinal number
 * ω and Ω in big O notation
 * Omega and agemo subgroup, in group theory
 * Ω, an element in a subsumption lattice
 * Prime omega function, in number theory

Other uses in science and technology

 * OMEGA, an instrument on Mars Express Mars orbiter
 * OmegA, a cancelled space launch vehicle
 * Omega (navigation system), the first worldwide radio navigation system
 * OMEGA laser, at the Laboratory for Laser Energetics, University of Rochester, New York, U.S.
 * Angular frequency, ω, in physics
 * Angular velocity, ω, in physics
 * Ka/Ks ratio, or ω, in genetics
 * Ohm, symbol Ω, the unit of electrical resistance
 * Omega equation, in meteorology
 * Omega loop, a protein motif
 * Omega baryon, a sub-atomic particle
 * OMEGA process, an industrial chemical process to produce ethylene glycol from ethylene

Transportation

 * Chevrolet Omega, a car model by General Motors for Brazil
 * Oldsmobile Omega, a car, 1973–1984
 * Opel Omega, a car, 1986–2004
 * Omega (barque), a sailing ship, 1887–1958

Other uses

 * Omega (Cyrillic) (Ѡ, ѡ), the Cyrillic counterpart of the Greek omega
 * Omega (grape), another name for the Catawba grape
 * Omega (photographic brand), a brand of cameras and enlargers
 * Omega chain, a type of collier
 * Omega Chess, a chess variant
 * OMEGA Championship Wrestling, a wrestling promotion
 * OMEGA Memorandum, a 1956 U.S. memorandum designed to marginalize Gamal Abdel Nasser
 * Advance Omega, a Swiss paraglider design
 * Omega counterfeit, a series of counterfeit coins