Heinrich Schmitt (1743—11 November 1805) was a lieutenant field marshal in the Habsburg military during the French Revolutionary and Napoleonic wars. He developed a sound military reputation as a surveyor, map-maker, and strategist during Austria's wars with the Ottoman Empire, He served on the Quartermaster's staff during the War of the First Coalition. As a major general, he was one of Archduke Charles trusted advisers during the War of the Second Coalition campaign in southwestern Germany.