CQ

CQ may refer to:

Places

• Northern Mariana Islands: FIPS Pub 10-4 and obsolete NATO digram

Publications

• Congressional Quarterly, US
• CQ Press, US publisher in government and politics
• CQ Amateur Radio
• CQ ham radio
• The Classical Quarterly

Other

• cadit quaestio, Latin for "the question falls", in copy-editing means "has been checked"
• CQ (call), in radio communications, a general call, to anyone who receives it
• CQ (film), a 2001 film
• Cultural Quotient
• Norinco CQ
• Charge of Quarters, a military term
• Cissus quadrangularis, medicinal plant from the grape family
• Communication Quotient
• Carrier qualifications for modern US Navy carrier air operations
• Constellation Airlines, IATA airline designator
• post-nominal letters for Knight of the National Order of Quebec
• La CQ, a Cartoon Network sitcom
• Conjunctive query