The phonetic alphabet was based on a set of words, each of which represented a letter of the alphabet. These phonetic letters were often used, sometimes interchangeably, with letters of the Greek alphabet.
- Able
- "Able-7-Baker", a record tape used by Spock (TOS: "The Menagerie, Part II")
- Alfa
- Baker
- "7-9-Baker", an encrypted comm frequency used by Malcolm Reed to contact Section 31 (ENT: "Affliction")
- "17-Baker", an access tube aboard Enterprise NX-01 (ENT: "Harbinger")
- "23-Baker", a section near sickbay on the USS Enterprise-D (TNG: "The Next Phase")
- "25-Baker", a section on Deck 7 where Worf's quarters were located on the Enterprise-D (TNG: "Rightful Heir")
- "52-Baker", section on Deep Space 9 (DS9: "In the Pale Moonlight")
- "62-Baker", section on Deep Space 9 (DS9: "In the Pale Moonlight")
- "247-Baker", the call sign of a 20th century LAPD officer
- "1365-Baker", a Jefferies tube identification that ends near Shuttlebay 2 of the Enterprise-D (TNG: "Disaster")
- "Able-7-Baker", a tape used by Spock (TOS: "The Menagerie, Part II")
- "Baker-2", an alert condition stated by Uhura (TOS: "The Naked Time")
- "J-14-Baker", was a panel located behind the Science II station on the bridge of the Enterprise-D (TNG: "Brothers")
- "Squadron Baker", a Maquis unit in 2371 (DS9: "Defiant")
- Bravo
- "1-7-3-4-6-7-3-2-1-4-7-6-Charlie-3-2-7-8-9-7-7-7-6-4-3-Tango-7-3-2-Victor-7-3-1-1-7-8-8-8-7-3-2-4-7-6-7-8-9-7-6-4-3-7-6, Lock", used by Data in 2367 (TNG: "Brothers")
- Charlie One, a US artillery unit in holographic WWII (VOY: "The Killing Game")
- "Crusher-2-2-Beta-Charlie, used by Beverly Crusher in 2373 (Star Trek: First Contact)
- Daystar
- "Omicron-Omicron-Alpha-Yellow-Daystar-2-7. Enable.", used by Jean-Luc Picard (TNG: "Unnatural Selection")
- Delta
- See: Delta
- Echo
- Echo One
- Echo Two
- Echo Three
- Echo Papa 607
- "Worf-3-7-Gamma-Echo", used by Worf in 2373 (Star Trek: First Contact)
- "Dukat-5-1-1-6-Green", used by Gul Dukat (DS9: "Civil Defense")
- "Sisko-7-1-Green", used by Benjamin Sisko (DS9: "Resurrection")
- India
- Lima
- Omicron
- "Omicron-Omicron-Alpha-Yellow-Daystar-2-7. Enable.", used by Jean-Luc Picard (TNG: "Unnatural Selection")
- Papa
- Echo Papa 607
- "Janeway-1-1-5-3-Red", used by Captain Kathryn Janeway (VOY: "The Omega Directive")
- Sierra
- Lima Sierra system
- Sierra VI
- Science Station Tango Sierra
- Starbase 39-Sierra
- "Pattern Sierra", a photon torpedo dispersal pattern
- "Pattern Sierra-4", a maneuvering tactic during battle
- Tango
- Science Station Tango Sierra
- "1-7-3-4-6-7-3-2-1-4-7-6-Charlie-3-2-7-8-9-7-7-7-6-4-3-Tango-7-3-2-Victor-7-3-1-1-7-8-8-8-7-3-2-4-7-6-7-8-9-7-6-4-3-7-6, Lock", used by Data in 2367 (TNG: "Brothers")
- Picard-4-7-Alpha-Tango, used by Jean-Luc Picard in 2373 (Star Trek: First Contact)
- "Checkpoint Tiger", a checkpoint located on level 23 on Janus VI (TOS: "The Devil in the Dark")
- Victor
- "1-7-3-4-6-7-3-2-1-4-7-6-Charlie-3-2-7-8-9-7-7-7-6-4-3-Tango-7-3-2-Victor-7-3-1-1-7-8-8-8-7-3-2-4-7-6-7-8-9-7-6-4-3-7-6, Lock", used by Data in 2367 (TNG: "Brothers")
- "9-5-Victor-Victor-2", Pavel Chekov's ensign authorization code (Star Trek)
- "Omicron-Omicron-Alpha-Yellow-Daystar-2-7. Enable.", used by Jean-Luc Picard (TNG: "Unnatural Selection")
- X-Ray
- Zed
- M-Zed-5
- Surplus Depot Zed-15
- Zed Lapis sector
- Zed Lapis system
- "Zed-Zed-Alpha", an emergency plan used by Data (TNG: "Clues")
- Zulu