Joshua Smith (July 27, 1763 – April 12, 1845) was an American politician from New York.
On December 23, 1784, he married Alma Blydenburgh (died 1790).
On October 19, 1793, he married Ruth Smith (1769–1797), and they had two children.
Joshua Smith was a member of the New York State Assembly (Suffolk Co.) in 1794, 1795, 1796, 1796–97, 1798–99 and 1825.
He was a delegate to the New York State Constitutional Convention of 1821.