Space Station Alpha, the original name and unofficial call sign for the International Space Station

Common-base current gain of a transistor in electronics

The significance level in statistical hypothesis testing

Alpha (search engine), a search engine by Yahoo!

ALPHA refers to the set of ASCII characters A-Z and a-z, as defined in RFC 4234

Alpha (song), instrumental by Vangelis

Alpha particle, form of particle radiation

Service "A", one of the uniforms of the United States Marine Corps

Alpha class submarine, a Russian fast attack nuclear submarine

ARC Trooper A-17, nicknamed "Alpha", a clone trooper from various Star Wars comics

The first letter in the NATO phonetic alphabet

DEC Alpha, a microprocessor/central processing unit (CPU)

Alpha (known as Proto in Japan) is the glitched prototype of the Internet and final boss of the video game MegaMan Battle Network 3

Fine-structure constant, a fundamental physical constant

Alpha Centauri, the brightest star system in the southern constellation of Centaurus

Sony α or Sony Alpha, a digital SLR series by Sony

Minolta α or Minolta Alpha, the Japanese name for a series of SLR cameras known as Maxxum or Dynax elsewhere, and predecessor to Sony's brand of the same name

Alpha (Magic: The Gathering), the first Magic: The Gathering cards set

In Astronomy (Bayer designation):

Moonbase Alpha, the primary setting for the television series Space: 1999

Alpha course, an introductory course in Christianity

Alpha, New Jersey

Cronbach's alpha, a statistical measure of reliability

Alpha TV, a Greek terrestrial channel

Alpha Group, a dedicated counter-terrorism unit that belonged to OSNAZ

Alpha, Minnesota

Tropical Storm Alpha (2005)

Alpha channel, describing transparency and opacity in computer graphics

The alpha coefficient in evaluating financial returns

Alpha (investment), a measurement of risk-adjusted performance

Alpha, Illinois

Alpha 2000, a light aircraft built in New Zealand

AlphaServer - DEC now HP machine successor to the VAX

Alpha (planet) in Isaac Asimov's novel Foundation and Earth

Alpha the Ultimate Mutant, a character featured in Marvel Comics

The alpha carbon in organic chemistry

H-alpha, or H-α, an emission line created by hydrogen atoms

Angle of attack in aerodynamics

Alpha (album), an album by the band Asia

Alpha, Michigan

BETA is a pure object-oriented language originating within the "Scandinavian School" in object-orientation where the first object-oriented language Simula was developed. From a technical perspective, BETA provides the following unique...

Alpha (Sevendust album), an album by the band Sevendust

Alpha (biology), "alpha male" and "alpha female", the highest ranking individuals in a community of social animals

Alpha Ridge, an undersea ridge

AlphaStation - DEC now HP workstation successor to the VAX

Angular acceleration

Alpha Books, an imprint of Penguin Group (USA)

Latin alpha, an open front unrounded vowel

Alpha, Queensland

Alpha (radio navigation), a Russian radio navigation system similar to the former Omega Navigation System

Alpha waves, recorded by electroencephalography

Thermal diffusivity

Alpha (computer), a fictional computer in Mike Walker's radio play Alpha

Alpha (machine learning), the degree to which a learning agent takes into account new information

Alpha (band), a British electronic music group

Alpha Industries, clothing company

Alpha 60, a sentient computer in the film Alphaville

Alpha Ridge, Alaska

Alpha (letter), a letter in the Greek alphabet. α may be used as the symbol for:

Alpha (Alice Nine album), an album by J-rock/Visual Kei band Alice Nine

Alpha 5/Alpha 6/Alpha 7, nicknames of the characters in the Power Rangers television programs

Alpha (DC Comics), a character from DC Comics

In the Earthbound, or Mother, series of Nintendo RPG games by Shigesato Itoi, α (along with other Greek letters) is used as a classification of the strength of a PSI technique.

ALPHA, the Antihydrogen Laser PHysics Apparatus, an experiment at CERN.

H3 Alpha, a variant of the Hummer H3 SUV.