Theodosius the Cenobiarch was a monk, abbot, and saint who was a founder and organizer of the cenobitic way of monastic life in the Judaean desert. His feast day is on January 11.

The Judaean Desert or Judean Desert is a desert in the West Bank and Israel that lies east of the Judaean Mountains, so east of Jerusalem, and descends to the Dead Sea. Under the name El-Bariyah, it has been nominated to the Tentative List of World Heritage Sites in the State of Palestine, particularly for its monastic ruins.