| Acronym | Definition |
|---|
| Q | Question |
| Q | Quit |
| Q | Q (character from Star Trek the Next Generation) |
| Q | Quick |
| Q | Quality |
| Q | Queen (chess) |
| Q | Quantity |
| Q | Quality Factor |
| Q | Quarter |
| Q | Queue |
| Q | Quiz |
| Q | Query |
| Q | Quarterly |
| Q | Quake |
| Q | Quick (flash; nautical navigation) |
| Q | Queensland (Australia) |
| Q | Charge (physics) |
| Q | Torque |
| Q | Parcel Post (Scott Catalogue prefix; philately) |
| Q | Questionable (player's likelihood of participating) |
| Q | Qwest Communications International Inc. (stock abbreviation, AMEX) |
| Q | Cardiac Output |
| Q | Resonance |
| Q | Quebec (aviation letter code) |
| Q | Glutamine (amino acid) |
| Q | Drone (US military aircraft designation; as in Q-3) |
| Q | Transistor |
| Q | Quintal |
| Q | Quartermaster |
| Q | Quadrature |
| Q | Quaker State (motor oil) |
| Q | Quetzalcoatl (the movie Q) |
| Q | Unmanned Aerial Vehicle (US Military aerospace vehicle) |
| Q | Squall (weather reports) |
| Q | Q code (see Radio Operators' Handbook) |
| Q | Quaque (Latin: each, every; used in medical prescriptions) |
| Q | Unknown Variable |
| Q | Aphelion Distance (astronomy) |
| Q | Qu'ran (the Koran) |
| Q | Quadrillion BTU (same As Quads) |
| Q | Major Boothroyd (James Bond's armourer) |
| Q | Fairchild Aircraft Division (US Navy) |
| Q | Constant Phase Element (impedance spectra) |
| Q | Stinson Aircraft Corporation (US Navy) |
| Q | Set of Rational Numbers (math) |
| Q | Bristol Aeronautical Corporation (US Navy aircraft designation) |
| Q | Electronic Countermeasures Missions (US Navy) |
| Q | Qualified/Qualifying |
| Q | Ranger-Lark Division (US Navy) |
| Q | Stream flow or discharge (geologic term) |
| Q | Unit of Dynamic Pressure |
| Q | Name of alien character (Star Trek NG and Star Trek Voyager TV program) |
| Q | Quality measurement of a tuned circuit in electronics |
| Q | Priority rating given to PWs (now 'Total care') |
| Q | US DoT tire speed rating (99 mph) |
| Q | Second Heartbeat Wave |
| Q | Long Chromosomal Arm (in humans; refers to autosomes 1-22) |