CQ

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)