Alpha (disambiguation)

Alpha was the first letter in the Greek language alphabet of Earth, which arose in the early period of human history. It was also an initial word, common to several things.
 * Alpha, a Dalek (TV: The Evil of the Daleks)
 * Alpha Centauran
 * Alpha Centauri
 * Alpha Centauri (planet)
 * Alpha Centauri (system)
 * Alpha Centauran Table Tennis Club
 * Alpha Class
 * Alpha Meson, a type of energy (TV: The Big Bang)
 * Alpha Geminorum, a star (TV: The Poison Sky)
 * Alpha Serpens Caput, in the Unukalhai system (PROSE: Lords of the Storm)