Robert Smith (November 3, 1757 – November 26, 1842) was the second United States Secretary of the Navy from 1801 to 1809 and the sixth United States Secretary of State from 1809 to 1811. He was the brother of Senator Samuel Smith. Smith became the president of the not-yet-fully-organized American Bible Society in 1813. In 1818, he became the founding president of the Maryland Agriculture Society and afterwards retired to a more private life where he enjoyed his wealth. Robert Smith died in Baltimore, Maryland, on November 26, 1842. The USS Robert Smith was named for him.