Jens Gran Gleditsch (1860 – 1931) was a Norwegian bishop and theologian. He was a brother of Kristen Gran Gleditsch.Gleditsch was born on 6 December 1860 in Voss, Søndre Bergenhus, Norway. He received his cand.theol. degree in 1883 from the University of Oslo. He was a chaplain in Lista from 1887 until 1891. He then moved to Antwerp, Belgium to serve as pastor of the Norwegian Seaman's Church there. In 1912, Gleditsch became the parish priest in Arendal.