Hyatt, John a Calvinistic Methodist preacher of considerable talent, was born at Sherborne, in Dorsetshire, in 1767. He became minister of a congregation at Mere, Wiltshire, in 1798, but removed in 1800 to one at Frome, Somersetshire, and soon afterwards to Tottenham Court Chapel and the Tabernacle, London. Here he was co-pastor with the Rev. Matthew Wilks until his death in 1826. His principal works are, Christian Duty and Encouragement in Times of Distress (2nd edit. Lond. 1810, 8vo): — Sermons on select Subjects (2nd ed. London, 1811, 8vo): — Sermons on various Subjects, edited by his son, Charles Hyatt, with memoir of the author by the Rev. John Morison, etc. (2nd ed. Lond. 1828, 8vo). — Darling, Cyclopaedia Bibliographica, 1, 1597.