Look up qec in Wiktionary, the free dictionary.
QEC may refer to:
- Quantum error correction
- Queen Elizabeth-class aircraft carrier, two aircraft carriers of the United Kingdom's Royal Navy
- Electoral Commission of Queensland
- Queen Elizabeth College
- Queen Elizabeth College, London, UK
- Queen Elizabeth College, Palmerston North, New Zealand
- Queen Elizabeth College, Mauritius
- Queen Elizabeth Centre, Ballarat
- Qulliq Energy Corporation