King Follett (or Follet; July 26, 1788 – March 9, 1844) was a Mormon elder and a close friend of Joseph Smith. An early convert to the Church of Christ in 1831, he was a police constable and was notably the last prisoner released in the 1838 Mormon War. Shortly after his death, Smith delivered a notable sermon in memory of Follett in which he introduced new teachings to members of the church which Smith founded.