Thomas Pichon (1700–1781) was a French government agent during Father Le Loutre's War who is renowned for betraying the French, Acadian and Mi’kmaq forces by providing information to the British, which led to the fall of Beausejour. He has been referred to as "The Judas of Acadia." Upon his return to France, he had a relationship with French author Jeanne-Marie Leprince de Beaumont (1757–1760).