Marcel Proust (1871–1922) was a French author.
Proust may also refer to:
People Joseph Proust (1754–1826), French chemist, responsible for the Law of definite proportions Antonin Proust (1832–1905), French journalist and politician Adrien Proust (1834–1903, French epidemiologist and hygienist Jean-Paul Proust (1940–2010), minister of state of Monaco Christine Proust (born 1953), French historian of mathematics and Assyriologist Caroline Proust (born 1967), French actress
Other uses Proust (essay), a 1931 essay by Samuel Beckett Proust Questionnaire, a personality test 4474 Proust, a main-belt asteroid Proust (crater), on Mercury
See also Prost (disambiguation)