QE

QE may stand for:

Economics

 * Quantitative easing, a monetary policy intended to stimulate an economy in recession

Education

 * 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

Hospitals

 * Queen Elizabeth Hospital Birmingham in England
 * Queen Elizabeth Hospital, Hong Kong, a hospital at King's Park in Kowloon, Hong Kong
 * Queen Elizabeth Hospital, Adelaide, in Australia

Mathematics

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

Royalty

 * Queen of England (disambiguation)
 * Queen Elizabeth (disambiguation), several queens, including:
 * Queen Elizabeth I of England (1533–1603)
 * Queen Elizabeth II of the United Kingdom (1926–2022)

Science and engineering

 * 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

Transportation

 * Queen Elizabeth Way, a highway in Ontario, Canada
 * Queen Elizabeth-class aircraft carrier, a class Royal Navy ships
 * Crossair Europe (IATA airline designator QE)
 * Queen Elizabeth (ship)

Culture

 * Queer Eye (2003 TV series)