John Brockenbrough Newton (February 7, 1839 in Westmoreland County, Virginia – May 28, 1897) was Assistant Bishop for the Episcopal Diocese of Virginia.
He was later made bishop coadjutor by the church's General Convention, but he died in that post, without succeeding to the diocesan See.He was consecrated a bishop by Francis McNeece Whittle, Bishop diocesan of Virginia; Thomas Underwood Dudley, Bishop of Kentucky; and George William Peterkin, Bishop of West Virginia at the Diocese's 99th Annual Convention in Richmond, Virginia on May 16, 1894.Newton was the father of historian Mary Newton Stanard, who produced a biography of him in 1924.