John Ross Macduff (23 May 1818 - 30 April 1895) was a Scottish divine and a prolific author of religious essays. He published many practical and devotional works which have attained a wide circulation. Born in Bonhard, Scone, Perthshire, Macduff was educated at the University of Edinburgh, and was ordained as minister of Kettins, a parish in Forfarshire in 1843. He returned to St Madoes, a parish in Perthshire in 1849, which he left to take charge of Sandyford, a new church in Glasgow.