James McHenry (November 16, 1753 – May 3, 1816) was an Irish-born American statesman. McHenry was a signer of the United States Constitution from Maryland and the namesake of Fort McHenry. He was a delegate to the Continental Congress from Maryland, and the third United States Secretary of War (1796–1800), under the first and second presidents, George Washington, (administration: 1789–1797) and John Adams, (administration: 1797–1801).