Leonard John Nuttall Sr. (July 6, 1834 – February 23, 1905) was a private secretary for John Taylor and Wilford Woodruff, and was a member of the Council of Fifty who kept a detailed journal of the early history of the Church of Jesus Christ of Latter-day Saints (LDS Church). Nuttall was also the first person to operate a printing press in Utah County, doing so in 1870. In 1872 Nuttall was made chief clerk of the Utah Territorial Legislature. Nuttall died in Salt Lake City.