Jehan Vaillant was a French music composer and theorist.
Jean Vaillant may also refer to:
Jan Vaillant (1627–1668), Dutch painter Jean Vaillant (athlete), French athlete Jean Alexandre Vaillant (1804–1886), French and Romanian teacher and political activist Jean Baptiste Vaillant (1751–1837), general of the French Revolutionary Wars and the Napoleonic Wars Jean Vaillant, military person from Battle of Mello, 1358