STQ is the call sign of a regional television station in Queensland, Australia.
It may also refer to:
STQ, the IATA airport code for St. Marys Municipal Airport in Pennsylvania STQ, the ISO language code for the Saterland Frisian language Skill testing question Société des traversiers du Québec, ferry operator in Quebec, Canada stq: ISO 639-3 code for Saterland Frisian language