TQ or tq may stand for:

  • the IATA code for Tandem Aero airline
  • TQ Digital Entertainment, a Chinese computer game developer
  • Techniquest, a collection of science and discovery centres in Wales
  • TQ (singer), Terrance Quaites, an American R&B singer
  • Télé-Québec, or TQC
  • ThinkQuest, a student webpage building competition
  • Titan Quest, an action role-playing computer game
  • TQ postcode area, a United Kingdom postcode for the area of Torquay
  • Technical Query

TQ may also refer to:

  • A military colloquialism for Al Taqaddum Airbase, Iraq
  • TQ Thank you, a term used in text speak