John Smith (July 16, 1781 – May 23, 1854), known as Uncle John, was an early leader of the Church of Jesus Christ of Latter-day Saints (LDS Church). Smith was the younger brother of Joseph Smith Sr., uncle of Joseph Smith and Hyrum Smith, father of George A. Smith, grandfather of John Henry Smith, and great-grandfather of George Albert Smith. He served as a member of the first presiding high council in Kirtland, Ohio, as an assistant counselor in the First Presidency under Joseph Smith, and as presiding patriarch under Brigham Young. He was succeeded as presiding patriarch by his great nephew, who was also named John Smith.