John Lettice (27 December 1737 – 18 October 1832) was an English clergyman, translator, academic, and author. Lettice served as vicar of Peasmarsh, East Sussex. He was prebendary of Chichester Cathedral, chaplain to the Archibald Hamilton, 9th Duke of Hamilton from 1804 to 1832, and was fellow and tutor of Sidney Sussex College, Cambridge.