CQ may refer to:
Arts and entertainment
- CQ (film), a 2001 film
- La CQ, a Cartoon Network sitcom
- Cinémathèque québécoise, a Montreal film museum
People
- CQ (playwright) or C. Quintana, a Cuban-American playwright, poet, and writer
- Charles Q. Brown Jr., current Chairman of the Joint Chiefs of Staff.
Places
- Central Queensland (geographical division of Queensland)
- Chongqing, China (Guobiao abbreviation CQ)
- Northern Mariana Islands (FIPS Pub 10-4 or obsolete NATO digram CQ)
- Sark, Channel Islands (ISO 3166-1 alpha-2 exceptionally reserved code CQ for Sark)
Publications
- CQ Amateur Radio
- CQ ham radio
- CQ Press, a US publisher in government and politics
- The China Quarterly, a journal published by Cambridge University Press
- Congressional Quarterly, a US publishing company
Science and technology
- Conjunctive query, in relational databases and database theory
- CQ (call), in radio communications, a general call, to anyone who receives it
- Norinco CQ, a variant of the AR-15 rifle
- Cissus quadrangularis, medicinal plant from the grape family
- Adobe Experience Manager, formerly CQ, a web content management system
Other uses
- Cadit quaestio, Latin for "the question falls", in copy-editing means "has been checked"
- Carrier qualification, qualifications for modern US Navy carrier air operations
- Charge of Quarters, the military task of guarding the front entrance to a barracks
- Communication quotient, in business and organizational psychology
- Constellation Airlines (IATA airline designator CQ)
- Cultural Quotient, in business, education, government and academic research
- Knight of the National Order of Quebec (post-nominal letters CQ)
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