QE

QE may stand for:

Economics

Quantitative easing, a monetary policy intended to stimulate an economy in recession
Quantum economics, a type of monetary economic analysis

Qualifying examination, an exam required to continue studies at a higher level
Queen Elizabeth School (disambiguation), several schools, including:
- Queen Elizabeth's School, Wimborne Minster, in Winborne Minster, Dorset, England
- Queen Elizabeth Sixth Form College, in Darlington, County Durham, England
- Wyggeston and Queen Elizabeth I College in Leicester, England

Quantifier elimination, a technique to simplify formulas
Quadratic equation, an equation involving the second power (square) but no higher

Quantum efficiency, a measure of a device's sensitivity to light
Quantum entanglement, a close interaction between particles at the quantum level such that they are inseparable
Quality assurance, also known as quality engineering
Quality Engineering (journal), an academic journal focused on quality assurance
Query expansion, a technique to provide better search results by automatically adding similar searches
Quartz Compositor, also known as Quartz Extreme, the windowing system in Mac OS X