James Armistead Lafayette (December 10, 1760 – August 9, 1830) was an African American slave. He served in the Continental Army during the American Revolutionary War as a double agent. He served under the Marquis de Lafayette. He reported on the activities of Benedict Arnold after he had gone over to the British. He also reported on Lord Cornwallis just before the Battle of Yorktown. James gave the British false information on the Americans.