James B. Jordan is a Calvinist theologian and author. He is director of Biblical Horizons ministries, a think tank in Niceville, Florida that publishes books, essays and other media dealing with Bible commentary, Biblical Theology, and liturgy.

Jordan was born in Athens, Georgia, and he attended the University of Georgia, where he received a B.A. in comparative literature and participated in Campus Crusade for Christ. He served as a military historian in the United States Air Force and attended Reformed Theological Seminary in Jackson, Mississippi but ultimately earned an M.A. and Th.M. from Westminster Theological Seminary in Philadelphia, Pennsylvania with a master's thesis on slavery in the Bible. In 1993, he received a D.Litt. from the Central School of Religion for his dissertation on the dietary laws of Moses. From 1980 to 1990 Jordan was an associate pastor of a Presbyterian church in Tyler, Texas.