Gordon James Keddie was a British-American pastor and theologian of the Reformed Presbyterian Church of North America educated at George Heriot's School, the University of Aberdeen, the University of Edinburgh, Westminster Theological Seminary, and the Reformed Presbyterian Theological Seminary. He served long pastorates in State College, Pennsylvania and Indianapolis, Indiana. He is best known for his extensive writings including many commentaries on books of the Bible that have been translated in multiple languages. His contributions to the Welwyn commentary series published by Evangelical Press, included eight volumes, providing commentaries on the biblical books of Numbers, Judges, Ruth, 1 and 2 Samuel, Amos, Jonah, Acts and the Epistle of James. He was also the author of a two volume work on the Gospel of John that is part of the Evangelical Press Study Commentary Series. Other works include treatments of the parables of Jesus, heaven, the book of Ecclesiastes, covenant theology, editing a collection of essays by 19th-century Reformed Presbyterian theologian James Renwick Willson, and various other contributions on topics in Reformed theology. Keddie died of prostate cancer on 19 May 2023, at the age of 78.