CQ may refer to:

• CQ (film), a 2001 film
• La CQ, a Cartoon Network sitcom
• Cinémathèque québécoise, a Montreal film museum

• CQ (playwright) or C. Quintana, a Cuban-American playwright, poet, and writer
• Charles Q. Brown Jr., current Chairman of the Joint Chiefs of Staff.

• 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)

• 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

• 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

• 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)

This disambiguation page lists articles associated with the title CQ.
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