| Acronym | Definition |
|---|
| CQ | Congressional Quarterly, Inc. (provider of information on government, politics and public policy) |
| CQ | Correct (writers/editors annotation) |
| CQ | Conquest (gaming) |
| CQ | Northern Mariana Islands |
| CQ | Contrôle Qualité (French: Quality Control) |
| CQ | All stations (Logging abbreviation) |
| CQ | Contrat de Qualification (French: Qualifying Contract) |
| CQ | Customer Quality |
| CQ | Calling Any Station (Morse Code abbreviation) |
| CQ | Seek You (radio shorthand) |
| CQ | Charge of Quarters |
| CQ | Classical Quarterly (Classics journal) |
| CQ | CosmoQuest (Orissa, India software company) |
| CQ | Clear Quest (IBM rational developer tool) |
| CQ | Custom Queuing (network resource sharing) |
| CQ | Cambridge Quarterly of Healthcare Ethics |
| CQ | Carrier Qualification |
| CQ | Continuous Query |
| CQ | Come Quickly (early ship distress call) |
| CQ | Cigarette Quit (Nicoderm CQ) |
| CQ | Call to Quarters |
| CQ | Control Question (polygraphy) |
| CQ | Casu Quo (Latin: In Which Case) |
| CQ | Communication Quality |
| CQ | Chex Quest (forum) |
| CQ | Closed Quarters |
| CQ | Cadit Quaestio (Latin: the question falls) |
| CQ | Chevalier de l'ordre National du Québec |
| CQ | CAS Signal |
| CQ | Clinical Query |
| CQ | Concept Query |
| CQ | Cascade Quadruplet (filter) |
| CQ | Conditionally Qualified |
| CQ | Cleaning Qualification |
| CQ | Captains Qualification |
| CQ | Chuckles Quietly |
| CQ | Conditional Quantization |
| CQ | Air Post Parcel Post (Scott Catalogue prefix; philately) |
| CQ | 7-Chloro-4-Hydroxyquinoline |