CRQ may refer to: Air Creebec's ICAO designator McClellan-Palomar Airport's FAA location identifier :CRQ, a software product for CueCat Caravelas Airport's IATA code Change Request, in Information Technology, a customer or user's request to change hardware or software. Chronic Respiratory Questionnaire Continuous Repeat Request Customer Relationship Quality, a measure of customer retention from Deep-Insight Cross-Recurrence Quantification Central Research Question Classical Recordings Quarterly, a quarterly British magazine devoted to vintage recordings of classical music.