John Sharp (9 November 1820 – 23 December 1891) was a 19th-century leader in the Church of Jesus Christ of Latter-day Saints (LDS Church) in Utah Territory. Sharp was the LDS Church's representative in negotiations regarding the construction of the First transcontinental railroad through Utah Territory. He represented the LDS Church and its president, Brigham Young, at the driving of the final golden spike of the railroad on 10 May 1869 at Promontory Summit, Utah Territory.