QZ
QZ stands for:
- Indonesia AirAsia, Indonesian airline ( IATA code )
- Quarter of the number (1, 2, 3 or 4), identified a quarter
- QZ algorithm, numerical method for the solution of the generalized eigenvalue problem
- Quality and reliability, leading German journal in quality management
QZ as distinguishing signs on license plate:
- Belgium: small trailer with number plates
- Disambiguation
- Abbreviation