Rear Admiral French Ensor Chadwick USN (February 28, 1844 – January 27, 1919) was a United States Navy officer who became prominent in the naval reform movement of the post-Civil War era. He was particularly noted for his contributions to naval education, and served as President of the Naval War College from 1900-1903. Major sea commands included the gunboat USS Yorktown, commissioned in 1889. He served in the Spanish-American War, fighting at the Battle of Santiago de Cuba. He served as President of the United States Naval War College from 1900 to 1903.