John D. Hannah (born c. 1940s) is an author and professor at Dallas Theological Seminary.
He served as the department chair of Historical Theology for over twenty years and has taught at DTS since 1972.
Hannah is also an adjunct professor of Church History at Redeemer Seminary.
Hannah is a popular and frequent conference speaker in the U.S. and in other countries.
His publications include journals, books, audio materials, and computerized works.