Machault or de Machault may refer to:
Communes of France Machault, Ardennes, Ardennes département Machault, Seine-et-Marne, Seine-et-Marne département
People Charles-François de Machault de Belmont (1640–1709), French naval officer and governor general of the French Antilles Guillaume de Machaut (or de Machault) (c. 1300–1377), French poet and composer Jean-Baptiste de Machault d'Arnouville (1701–1794), French statesman
Other uses Fort Machault, a fort built by the French in 1754 in northwest Pennsylvania French frigate Machault (1757), a French frigate 14403 de Machault, an asteroid named after the poet