Alpha


 * Cardassian terminology
 * Alpha Red priority mission, a Cardassian military directive


 * Cartography
 * Alpha Quadrant, a quarter of the Milky Way Galaxy
 * Kavis Alpha sector


 * Chemistry
 * Hydrogen-alpha, an emission line created by hydrogen atoms


 * Colonies
 * Alpha Centauri colony
 * Colony Alpha V


 * Food and beverages
 * Alpha-currant nectar


 * Holographic terminology
 * Diagnostic Program Alpha-11, a holographic agent
 * Diagnostic routine alpha-three-six, a diagnostic performed on The Doctor's mobile emitter
 * Emergency procedure alpha two, a main computer bypassing procedure
 * Various holodeck programs, including:
 * Diplomacy scenario 12-alpha
 * Insurrection Alpha
 * K'mtar Alpha-One
 * Paris Program Alpha-1
 * Seven of Nine Alpha-3


 * Legal terminology
 * Statutes of Alpha III
 * Treaty of Alpha Cygnus IX
 * Tribunal of Alpha III


 * Medical terminology
 * Alpha-wave, a brainwave pattern
 * Alpha-wave inducer
 * Theta 12 alpha, a drug devised by The Doctor to combat Vulcan pon farr


 * Planets
 * Alfa 177
 * Alpha III
 * Alpha V
 * Alpha Carinae II
 * Alpha Carinae III
 * Alpha Carinae V
 * Alpha Centauri VII
 * Alpha Cygnus IX
 * Alpha Delphi IX
 * Alpha Drapanas
 * Alpha Echevarria IV
 * Alpha Eridani II
 * Alpha Fernandes III
 * Alpha Laputa IV
 * Alpha Majoris I
 * Alpha Omicron VII
 * Alpha Onias III
 * Alpha Roller II
 * Alpha Rossi
 * Alpha Zayra II
 * Ceti Alpha V
 * Ceti Alpha VI
 * Kavis Alpha IV
 * Planet 1865-Alpha
 * Tau Alpha C
 * Zeta Alpha II


 * Planetoids
 * Alpha 441
 * Alpha moon of Peliar Zel
 * Memory Alpha


 * School
 * University of Alpha Centauri


 * Ships
 * Alpha Nine, an attack raider used by the Maquis
 * Alpha Seven, an attack raider used by the Maquis
 * NX-Alpha, test vessel of the NX Program


 * Space station
 * Lya Station Alpha, a Starfleet space station


 * Starfleet terminology
 * Alpha One Clearance, a Starfleet security protocol
 * Alpha-47 authorization, a Starfleet security protocol
 * Alpha search pattern, a Starfleet procedure
 * Alpha shift, the first shift or watch on a Starfleet starship
 * Code 1-Alpha-Zero, a ship in distress code
 * Position Alpha, ship location reference used during the Battle of Wolf 359
 * Deck 17, section 21-Alpha, the location of the Enterprise-D arboretum
 * Pattern Riker alpha, a Starfleet standard maneuver, developed by William T. Riker
 * Starfleet command authorization codes including:
 * Omicron-omicron-alpha-yellow-daystar-2-7 (2365)
 * Sisko-Alpha-1-Alpha (2371)
 * Override Command 1-EMH-Alpha; End Program (2371), The Doctor's deactivation code
 * Picard-4-7-Alpha-Tango (2373)
 * Picard, authorization Alpha-Alpha-3-0-5 (2379)
 * Security code 045, code 100 alpha


 * Stars
 * Alpha Aquila
 * Alpha Ataru
 * Alpha Aurigae
 * Alpha Canis Majoris
 * Alpha Carinae
 * Alpha Centauri C (Alpha Proxima)
 * Alpha Cooper
 * Alpha Cygni
 * Alpha Leonis
 * Alpha Lyrae
 * Alpha Majoris
 * Alpha Shiro
 * Alpha Tauri
 * Ceti Alpha
 * Dikon Alpha, a class nine pulsar


 * Star systems
 * Alpha Aurigae system
 * Alpha Aquilae system
 * Alpha Ataru system
 * Alpha Bootis system
 * Alpha Canis Majoris system
 * Alpha Canis Minoris system
 * Alpha Carinae system
 * Alpha Centauri system
 * Alpha Cygni system
 * Alpha Leonis system
 * Alpha Lyrae system
 * Alpha Omicron system
 * Alpha Onias system
 * Alpha Shiro system
 * Alpha Tauri system
 * Ceti Alpha system
 * Dikon Alpha system
 * M24 Alpha system
 * Nequencia Alpha system


 * Titles
 * Alpha, a Jem'Hadar soldier bred in the Alpha Quadrant
 * Alpha Hirogen, leader of a Hirogen pack

Alpha