Jean-Thomas Thibault (20 November 1757 - 27 June 1826) was a French painter and architect.

Born in Montier-en-Der, he studied at the École des beaux-arts de Paris in Étienne-Louis Boullée's studio from 1780 to 1786. He also studied under Pierre-Adrien Paris. He self-funded a trip to Rome between 1786 and 1790, where he befriended Charles Percier and Pierre-François-Léonard Fontaine.

During the First French Empire he was commissioned to restore the Hague Palace and Amsterdam's town hall. He died in Paris.