The Leiden Jerusalem Talmud also known as the Leiden Talmud is a medieval copy of the Jerusalem Talmud. The manuscript was written in 1289 C.E, meaning it is the oldest complete manuscript of the Jerusalem Talmud in the world. The manuscript is also the only surviving complete (non-printed) manuscript of the Jerusalem Talmud. The manuscript receives its name from the University of Leiden where it has been kept since the nineteenth century.