Nicholas Groesbeck Smith (20 June 1881 – 27 October 1945) was a general authority of The Church of Jesus Christ of Latter-day Saints (LDS Church). Born in Salt Lake City, Utah Territory, Smith was the son of LDS Church Apostle John Henry Smith and Josephine Groesbeck. At age three he had gone to England with his parents, where his father was serving as a church mission president. Smith was married to Florence Gay and was the father of four sons: Girard Gay, John Henry, Stanford Groesbeck, and Nicholas Groesbeck Jr.