CQC may refer to:
Close-Quarters combat, a type of warfare Caiga Quien Caiga, an Argentine television show Custe o Que Custar, a Brazilian television show Care Quality Commission, a United Kingdom health and social care service regulator Catoctin Quaker Camp, Maryland, United States, a summer camp Centre for Quantum Computation, an alliance of quantum information research groups Central Queensland Aviation College's ICAO airline designator China Quality Certification Center, a quality certification mark or the organization issuing such approvals, located in China Complete Quadratic Combination, see Seismic analysis