CQ may refer to:

Arts and entertainment

* ''CQ'' (film), a 2001 film * '' La CQ'', a Cartoon Network sitcom *

Cinémathèque québécoise The Cinémathèque québécoise () is a film conservatory in Montreal, Quebec, Canada. Its purpose is to preserve, document, film, and television footage and related documents and artifacts for future use by the public. The Cinémathèque's coll ...

, a Montreal film museum

People

* CQ (playwright) or C. Quintana, a Cuban-American playwright, poet, and writer *

Charles Q. Brown Jr. Charles Quinton Brown Jr. (born March 2, 1962) is a retired United States Air Force general who served as the 21st chairman of the Joint Chiefs of Staff from 2023 to 2025. Prior to that appointment, Brown served as the 22nd chief of staff of the ...

, current

Chairman of the Joint Chiefs of Staff The chairman of the Joint Chiefs of Staff (CJCS) is the presiding officer of the Joint Chiefs of Staff (JCS). The chairman is the highest-ranking and most senior military officer in the United States Armed Forces Chairman: appointment; gra ...

Places

* Cathedral Quarter, Belfast * Cathedral Quarter, Derby * Cathedral Quarter, Sheffield *

Central Queensland Central Queensland is an imprecisely-defined geographical division of Queensland ( a state in Australia) that centres on the eastern coast, around the Tropic of Capricorn. Its major regional centre is Rockhampton. The region extends from the Cap ...

(geographical division of Queensland) *

Chongqing ChongqingPostal Romanization, Previously romanized as Chungking ();. is a direct-administered municipality in Southwestern China. Chongqing is one of the four direct-administered municipalities under the State Council of the People's Republi ...

, China (Guobiao abbreviation CQ) *

Coal Quay Queen's Quay is a section of the River Lagan, in the western Titanic Quarter, Belfast, Titanic Quarter of the city of Belfast, Northern Ireland. The quay became known as the Coal Quay during its industrial period, with industrial businesses runn ...

, area in Belfast *

Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI), is an Territories of the United States, unincorporated territory and Commonwealth (U.S. insular area), commonwealth of the United States consistin ...

(FIPS Pub 10-4 or obsolete NATO digram CQ) *

Sark Sark (Sercquiais: or , ) is an island in the southwestern English Channel, off the coast of Normandy, and part of the archipelago of the Channel Islands. It is a self-governing British Crown Dependencies, Crown Dependency, with its own set o ...

, Channel Islands (ISO 3166-1 alpha-2 exceptionally reserved code CQ for Sark)

Publications

* ''

CQ Amateur Radio ''CQ Amateur Radio'' (also known simply as ''CQ'' or ''CQ magazine'', and formerly as ''CQ: The Radio Amateur's Journal'') is a dormant magazine for amateur radio enthusiasts first published in 1945. The English language edition is read worldwi ...

'' * '' CQ ham radio'' *

CQ Press CQ Press, a division of SAGE Publishing, publishes books, directories, periodicals, and electronic products on American government and politics, with an expanding list in international affairs and journalism and mass communication. History Nelso ...

, a US publisher in government and politics *''

The China Quarterly ''The China Quarterly'' (CQ) is a British triple-anonymous peer-reviewed academic journal established in 1960 on contemporary China including Taiwan. It is considered one of the most important academic journals about China in the world and is p ...

'', a journal published by Cambridge University Press *

Congressional Quarterly ''Congressional Quarterly'', or ''CQ'', is an American publication that is part of the privately owned publishing company CQ Roll Call, which covers the United States Congress. ''CQ'' was formerly acquired by the U.K.-based Economist Group and ...

, a US publishing company

Science and technology

Conjunctive query In database theory, a conjunctive query is a restricted form of first-order queries using the logical conjunction operator. Many first-order queries can be written as conjunctive queries. In particular, a large part of queries issued on relational ...

, in relational databases and database theory *

CQ (call) CQ is a station code used by wireless operators derived from long established telegraphic practice on undersea cables and landlines, particularly used by those communicating in Morse code, (), but also by voice operators, to make a general call ( ...

, in radio communications, a general call, to anyone who receives it *

Norinco CQ The Type CQ is an unlicensed Chinese variant of the M16 rifle manufactured by Norinco. According to the Norinco website, the rifle is officially known as CQ 5.56. It can be distinguished from other AR-15 and M16 pattern rifles by its long, rev ...

, a variant of the AR-15 rifle * ''

Cissus quadrangularis ''Cissus quadrangularis'' is a perennial plant of the grape family. It is commonly known as veldt grape, winged treebine or adamant creeper. The species is native to tropical Asia, the Arabian Peninsula and much of Africa. Description ''Cis ...

'', medicinal plant from the grape family *

Adobe Experience Manager Adobe Experience Cloud (AEC), formerly Adobe Marketing Cloud (AMC), is a collection of integrated online marketing and web analytics products by Adobe. History Adobe Experience Cloud is a comprehensive suite that encompasses analytics, social ...

, formerly CQ, a web content management system

Other uses

* ''

Cadit quaestio ' is a Latin expression that is used as a legal term and in some other contexts. The expression literally translates as 'the question falls'. In legal contexts, is used to indicate that an issue is no longer in question, often because a dispute ( ...

'', Latin for "the question falls", in copy-editing means "has been checked" *

Carrier qualification Modern United States Navy aircraft carrier air operations include the operation of fixed-wing and rotary aircraft on and around an aircraft carrier for performance of combat or noncombat missions. The flight operations are highly evolved, base ...

, qualifications for modern US Navy carrier air operations *

Charge of Quarters CQ or charge of quarters is a tasked duty in which a United States armed forces service member is to guard the front entrance to the barracks. In which the two service members, one a non-commissioned officer (NCO) and the other a junior enlisted ...

, the military task of guarding the front entrance to a barracks *

Communication quotient Communication quotient (CQ; alternately called communication intelligence or CI) is the theory that communication is a behavior-based skill that can be measured and trained. CQ measures the ability of people to communicate effectively with one an ...

, in business and organizational psychology *

Constellation Airlines Constellation International Airlines was a Belgian airline that operated during the 1990s. Code data *IATA Code: CQ *ICAO Code: CIN *Callsign: CONSTELLATION History Constellation International Airlines S.A., was established on 27 May 1978 as ...

(IATA airline designator CQ) * Cultural Quotient, in business, education, government and academic research * Knight of the National Order of Quebec (post-nominal letters CQ) {{disambiguation