CQ may refer to:
The CQC-6 (Close Quarters Combat — Six) or Viper Six is a handmade tactical folding knife with a tantō blade manufactured by knifemaker Ernest Emerson.
CQS is a London-based asset management firm. It focuses on the areas of multi-strategy, convertibles, asset backed securities, credit, loans and equities.
CQ Press, a division of SAGE Publications, publishes books, directories, periodicals, and electronic products on American government and politics, with an expanding list in international affairs and journalism and mass communication.
CQD (transmitted in Morse code as ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄) is one of the first distress signals adopted for radio use.
CQ is a code used by wireless operators, particularly those communicating in Morse code, (— · — · — — · —), but also by voice operators, to make a general call (called a CQ call).
CQMD Is a heavy funk band from France using amplified 1930s brass band instruments. CQMD are the initials for Ceux Qui Marchent Debout and is the band's name outside its national territory.
CQ is a 2001 comedy-drama film written and directed by Roman Coppola. It was screened out of competition at the 2001 Cannes Film Festival.
CQ Amateur Radio (also known simply as CQ or CQ magazine, and formerly as CQ: The Radio Amateur's Journal) (OCLC 310821852) is a magazine for amateur radio enthusiasts first published in 1945. The English language edition is read worldwide; Spanish language edition is published in Spain with some translations of articles from the English language edition and some original European content.
The Boeing B-17 Flying Fortress is a four-engine heavy bomber developed in the 1930s for the United States Army Air Corps (USAAC).