Benjamin Isaac Haight (October 16, 1809 — February 21, 1879) was a prominent Episcopal priest, author, and seminary professor of the nineteenth century, as well the first appointed Custodian of the Standard Book of Common Prayer in the United States.
He was ordained to the diaconate in 1831 and to the priesthood in 1834, having been called as rector of St. Peter's Church, New York while he was a deacon.
He was secretary of the convention of the Episcopal Diocese of New York for twenty years, and was elected as a trustee of Columbia College in 1843.
He was appointed Custodian of the Book of Common Prayer in 1868 and held that office until his death in New York in 1879.
His son Charles C. Haight was a prominent New York architect who designed much of the old campus of Columbia University, several buildings at Yale University, many buildings at the General Seminary in Chelsea, and churches throughout the United States.