Alembert

Alembert and its variants may refer to:

People:
 * Jean le Rond d'Alembert (1717–1783), French mathematician, mechanician, physicist, philosopher, and music theorist
 * Sandy D'Alemberte (1933–2019), American lawyer and politician

Places:
 * D'Alembert (crater), a lunar impact crater

Mathematics and Physics:
 * d'Alembert's formula, a mathematical formula
 * d'Alembert's paradox, a statement concerning inviscid flow
 * d'Alembert's principle, a statement of the fundamental classical laws of motion
 * d'Alembert–Euler condition, a mathematical and physical condition
 * D'Alembert operator, an operator of the Einstein equation
 * Ratio test, also known as d'Alembert's test, a test for the convergence of a series