Omega (disambiguation)

**Omega** is the last letter in the Greek alphabet. See that article for more uses of the upper case (Ω) or lower case (ω) letter as a symbol.

**Omega** could also mean:

## Alphabet

- Omega (Cyrillic), the Cyrillic counterpart of Greek omega.

## Mathematics

- Lambert W function, also known as the omega function.
- Omega constant, a specific value derived from Lambert's W function.
- Chaitin's constant, or Halting Probability, written as Ω.

## Science

- Omega loop, a protein motif
- Omega-3 fatty acid
- Omega-6 fatty acid
- Omega-9 fatty acid
- Omega particle, a subatomic particle
- Omega, in sociobiology, the lowest rank in a dominance hierarchy
- In cosmology, the density parameter

## Technology

- Omega (camera), a brand of cameras and enlargers
- OMEGA Navigation System, the first worldwide radio navigation system
- Omega SA, a Swiss watch company
- Omega (T<sub><big>e</big></sub>X), a Unicode extension of the T<sub><big>e</big></sub>X typesetting system
- Omega drivers, third-party drivers for ATI and nVidia graphics cards

## Military

- OMEGA, a Latvian special operations unit

## Philosophy

- Omega point, an idea in philosophy (eschatology) advanced by Pierre Teilhard de Chardin

## Places in the United States

- Omega, Georgia
- Omega, Oklahoma
- Omega D.C., a gay bar in Washington, D.C.

## Automobiles

- Opel Omega, a car model by Opel/Vauxhall
- Oldsmobile Omega, another General Motors car, mechanically unrelated to the above

## People

- Kenny Omega, ring name of Canadian professional wrestler Tyson Smith (born 1983)

## Fiction

- Omega (_Doctor Who_), a fictional character from the television series
- _Omega (_Doctor Who_ audio)_, a Big Finish Productions audio drama based on _Doctor Who_
- The Omega Directive, an episode of _Star Trek: Voyager_
- Omega Ranger, a character from _Power Rangers: S.P.D._
- _The Omega Man_, a 1971 science fiction film
- Omega, an alias of O'Malley, a character in _Red vs. Blue_
- _Omegamon_ and _Omegamon X_, the Japanese names for the _Digimon_ characters, Omnimon, as well as his X-Antibody counterpart, Omnimon X
- _Doctor Omega_, a 1906 science fiction novel by Arnould Galopin
- _Omega (novel)_, a science fiction novel by Jack McDevitt
- A character in the Maximum Ride series.
- The Omega Lock in Transformers Cybertron.
- _Omega_ (film), a Greek thriller, directed by Vasilis Blioumis

### Comic books

- Omega Red, a comic book supervillain in the Marvel Comics universe
- Omega-level mutant, the most powerful Marvel Comics mutants
- Omega (comics), a comic book villain from the Legion of Super-Heroes
- _Omega Men_, a DC Comics superhero group
- _Omega the Unknown_, a 1970s Marvel Comics series created by Steve Gerber

### Video games

- Omega (1987 computer game), a Roguelike game
- Omega (1989 computer game), a game by Origin Systems
- Omega (Dead or Alive), the final boss of _Dead or Alive 3_
- Omega (Final Fantasy), a recurring boss in the _Final Fantasy_ series
- E-123 Omega, a character in the _Sonic the Hedgehog_ series
- Omega, one of the main antagonists and the final boss of _Mega Man Zero 3_
- Omega is the pseudonym used by Naoki Maeda for the song "MAX300" from DDRMAX: Dance Dance Revolution 6thMIX

## Music

- (Omega) y su Mambo Violento, a Dominican musical group
- Omēga and the Mechanical Animals, a fictitious rock band portrayed by Marilyn Manson on their album _Mechanical Animals_
- Omega (band), a Hungarian rock band
- _Omega No. 5_, an album by Scaterd Few
- Omega (song), a song by Rebecca St. James
- Deathspell Omega, a French black metal band
- The Omega Rising, an album by Profundi, a Swedish black metal band
- Omega Recording Studios, a recording school and studio located outside of Washington D.C.

## Other uses

- Omega (cider), a strong white cider
- Omega Psi Phi, African American fraternity and member of the National Pan-Hellenic Council
- Organization of Modern Extreme Grappling Arts (OMEGA), a wrestling promotion owned by Matt and Jeff Hardy
- Omega Development Site, planned to be one of Europe's largest business parks, in Warrington, Cheshire