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., a retired United States Air Force general.

Places

  • Cathedral Quarter, Belfast
  • Cathedral Quarter, Derby
  • Cathedral Quarter, Sheffield
  • Central Queensland (geographical division of Queensland)
  • Chongqing, China (Guobiao abbreviation CQ)
  • Coal Quay, area in Belfast
  • 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)