Provosty is a surname derived from the surname Provost. People with the surname include:
Albin Provosty (1865–1932), Louisiana attorney Nathlie Provosty (born 1981), American visual artist Olivier O. Provosty (1852–1924), Chief Justice of the Louisiana Supreme Court
See also Provost (name) Provoost Yasna Provoste (born 1969), Chilean teacher and Christian Democrat politician