Howard Crosby was a prominent American Presbyterian clergyman, scholar, and social reformer of the 19th century. He served as the pastor of the Fourth Avenue Presbyterian Church in New York City and as the chancellor of New York University from 1870 to 1881. Known for his conservative theological views and classical scholarship, he was a vocal advocate for temperance and social purity. Crosby was also a principal founder and the first president of the New York Society for the Suppression of Vice.