Alpha (disambiguation)

Alpha ( or ) is the first letter of the Greek alphabet.

Alpha or ALPHA may also refer to:

Letters

 * Latin alpha, a letter of the Latin alphabet
 * , a glyph in the International Phonetic Alphabet
 * , a vowel in the General Alphabet of Cameroon Languages
 * Alfa, the first letter in the NATO phonetic alphabet

Books and comics

 * Alpha (Lombard), a Franco-Belgian comics series
 * The Alphas, a young-adult novel series by Lisi Harrison
 * Alpha 1 through Alpha 9, anthologies edited by Robert Silverberg

Film and TV

 * Alpha (2018 film), an American film starring Kodi Smit-McPhee
 * Alpha (2019 film), a Bangladeshi film
 * Alphas, an American science fiction TV series 2011–2012
 * "Alpha" (The X-Files), a sixth-season episode of The X-Files
 * Alpha and Omega (radio plays)
 * Alpha, a Greek television channel
 * Alpha, an upcoming installment in the YRF Spy Universe, starring Alia Bhatt and Sharvari

Fictional characters and places

 * Alpha (DC Comics), a character from DC Comics
 * Alpha (Marvel Comics), a character from Marvel Comics
 * Alpha (The Walking Dead, an antagonist from the Walking Dead comic and TV series
 * Alpha 4 (Power Rangers), Alpha 5 (Power Rangers), Alpha 6 (Power Rangers), or Alpha 7 (Power Rangers), characters in the Power Rangers universe
 * Alpha the Ultimate Mutant, a character in Marvel Comics
 * Moonbase Alpha (Space: 1999), the primary setting for the television series Space: 1999
 * Alpha, a wolf character in the animated film Storks
 * Alpha, the lead dog from the 2009 animated film Up
 * Alpha Trion, an autobot character in The Transformers
 * Alpha, a fictional computer in Mike Walker's radio play Alpha
 * Alpha Lexa, a character from Ryan's World
 * Alpha, the main antagonist of Xenoblade Chronicles 3: Future Redeemed

Gaming

 * Alpha (Magic: The Gathering), a card set
 * Alpha (video game), released in 1986

Music

 * Alpha, a French early music label record label, now part of Outhere
 * Alpha chord, in the octatonic scale
 * Alpha (band), a British electronic music group
 * Alpha (Kazakh band), a Kazakh Q-pop music group

Albums

 * Alpha (Aitana album) (2023)
 * Alpha (Alice Nine album) (2007)
 * Alpha (Asia album) (1983)
 * Alpha (Charlotte Day Wilson album) (2021)
 * Alpha (CL album) (2021)
 * Alpha (Jelena Karleuša album) (2023)
 * Alpha (Selena album) (1986)
 * Alpha (Sevendust album) (2007)
 * Alpha (Shenseea album) (2022)
 * Alpha (War of Ages album) (2017)

Songs

 * "Alpha" (song), a 2014 song by Kollegah
 * "Alpha", a track on the 1976 album Albedo 0.39 by Vangelis
 * "Alpha", a song by C418 from the 2013 soundtrack Minecraft – Volume Beta

Business

 * Alpha Bank, a Greek bank, or their stock symbol ALPHA
 * Alpha Books, an imprint of Penguin Group
 * Alpha Industries, an American clothing company
 * Alpha Media, an American radio broadcasting company
 * Alpha TV, a Greek terrestrial channel
 * Alpha Video, an American entertainment company
 * Alpha, a streaming service operated by Legendary Entertainment from 2016 to 2019
 * Alpha (Australian magazine), an Australian men's sport magazine
 * Alpha, an investor magazine, later incorporated into Absolute Return + Alpha

People

 * Alpha (given name), a list of people with the name
 * Jenny Alpha (1910–2010), Martinique-born French actress and singer

United States of America

 * Alpha, California, former settlement
 * Alpha, Illinois, a village
 * Alpha, Iowa, an unincorporated community
 * Alpha, Kentucky, an unincorporated community
 * Alpha, Maryland, an unincorporated community
 * Alpha, Michigan, a village
 * Alpha, Minnesota, a city
 * Alpha, Missouri, an unincorporated community
 * Alpha, New Jersey, a borough
 * Alpha, Ohio, a neighborhood of the city of Beavercreek
 * Alpha, Oregon, an unincorporated community
 * Alpha (Morristown, Tennessee), a neighborhood
 * Alpha, Texas, an unincorporated freedman's town
 * Alpha, Virginia, an unincorporated community
 * Alpha, Washington, an unincorporated community
 * Alpha, Wisconsin, an unincorporated community
 * Alpha Ridge, Alaska, a mountain ridge

Elsewhere

 * Alpha, Queensland, a town in Australia
 * Alpha Ridge, an undersea ridge in the Arctic Ocean

Computing

 * Alpha (programming language), an early database language
 * Alpha compositing, an image processing technique
 * Alpha phase of a software release life cycle
 * AlphaServer, DEC now HP machine successor to the VAX
 * AlphaStation, DEC now HP workstation successor to the VAX
 * DEC Alpha, an instruction set architecture developed by Digital Equipment Corporation (DEC)
 * Wolfram Alpha, a computational knowledge engine

Mathematics and statistics

 * Alpha (finance), a measurement of active return on an investment
 * Cronbach's alpha, a statistical measure of reliability
 * Angular eccentricity (conventional symbol "α")
 * Navigational azimuth (symbol "α")
 * One of the Feigenbaum constants describing a bifurcation diagram, in mathematics (symbol "α")
 * α, a symbol representing the probability of a type I error in statistics
 * The inverse Ackermann function
 * α, sometimes used as a placeholder for ordinal numbers

Science

 * Alpha (ethology) (also "alpha male" and "alpha female"), the highest ranking individuals in a community of social animals
 * ALPHA, a particle physics experiment at CERN
 * ALPHA Collaboration, (Antihydrogen Laser PHysics Apparatus), a team of scientists
 * Alpha particle, form of particle radiation
 * Alpha waves, recorded by electroencephalography
 * Angle of attack in aerodynamics (symbol "α")
 * Angular acceleration in physics (symbol "α")
 * Coefficient of thermal expansion in thermodynamics (symbol "α")
 * Fine-structure constant in physics (symbol "α")
 * Thermal diffusivity in thermodynamics (symbol "α")
 * Common-base current gain of a transistor in electronics (symbol "α")
 * α, the isotope fractionation factor between two substances in geochemistry
 * Alpha, the brightest star in a constellation according to the Bayer designation
 * α receptors, a type of Adrenergic receptor
 * SARS-CoV-2 Alpha variant, one of the variants of SARS-CoV-2, the virus that causes COVID-19
 * A class of Immunoglobulin heavy chains that defines IgA type antibodies
 * Alpha helixes, which are a type of secondary protein structures

Technology

 * Alpha (navigation), a Russian radio navigation system
 * Minolta Alpha, the Japanese name for a series of SLR cameras known as Maxxum or Dynax elsewhere
 * Sony α or Sony Alpha, a digital SLR series by Sony, direct successor to the Minolta Alpha series
 * Samsung Galaxy Alpha, 2014 Android smartphone by Samsung

Transportation

 * GM Alpha platform, the underpinning of various GM vehicles
 * Alpha (sternwheeler), a 19th-century river vessel
 * Advance Alpha, a Swiss paraglider design
 * Alpha 2000, a light aircraft built in New Zealand
 * Firefly Alpha, an orbital rocket
 * Kohler Alpha, an American glider
 * Pipistrel Alpha Trainer, a Slovenian light-sport aircraft

Tropical and subtropical cyclones

 * Subtropical Storm Alpha (1972), first storm of the 1972 Atlantic hurricane season
 * Tropical Storm Alpha (2005), twenty-third storm of the 2005 Atlantic hurricane season
 * Subtropical Storm Alpha (2020), twenty-second storm of the 2020 Atlantic hurricane season

Other uses

 * ALPHA (psychedelic), a psychedelic drug
 * Generation Alpha, the demographic cohort succeeding Generation Z
 * Alpha course, an introductory course in Christianity
 * Alpha Group, a Russian counterterrorism unit
 * Alpha Secondary School, a high school in Burnaby, British Columbia, Canada
 * Alpha Boys School, a school in Kingston, Jamaica
 * Alpha, or Service "A", one of the uniforms of the United States Marine Corps