CTQ

CTQ may refer to:


 * CTK – CiTylinK (ICAO: CTQ), in Accra, Ghana
 * CTQ Tree (critical-to-quality tree), used in Six Sigma methodology
 * Concordia Theological Quarterly
 * 31 Digital in Brisbane, Australia, had the callsign CTQ-31 before the analogue shutdown then it had the callsign CTQ-32 until its closedown in 2017