Harvey Newcomb (September 2, 1803 - August 30, 1863) was an American clergyman and writer. He was born in Thetford, Vermont. He removed to western New York in 1818, engaged in teaching for eight years, and from 1826 till 1831 edited several journals, of which the last was the Christian Herald. For the ten following years he was engaged in writing and preparing books for the American Sunday School Union. He was licensed to preach in 1840, took charge of a Congregational church in West Roxbury, Massachusetts, and subsequently held other pastorates.