John C. Gaylord (July 12, 1797 – July 17, 1874) was an early Mormon leader and member of the Presidency of the Seventy of the Church of Jesus Christ of Latter Day Saints. Gaylord was born in 1797, in Pennsylvania, to the family of Chauncey Gaylord. Ordained a seventy December 20, 1836, by Hazen Aldrich; he was installed as one of the Seven Presidents of Seventies on April 6, 1837, by Sidney Rigdon and Hyrum Smith. He replaced Sylvester Smith. Gaylord rejoined with the church in Nauvoo, Illinois in 1839 and was rebaptized in 1841. He later received his endowment in the Nauvoo Temple.