Ein Avdat (Hebrew: עין עבדת) or Ein Ovdat is a canyon in the Negev Desert of Israel, south of Kibbutz Sde Boker. Archaeological evidence shows that Ein Avdat was inhabited by Nabateans and Catholic monks. Numerous springs at the southern opening of the canyon empty into deep pools in a series of waterfalls. The water emerges from the rock layers with salt-tolerant plants like Poplar trees and Atriplexes growing nearby.

Habitation during the prehistoric era is attested to by numerous flint artifacts found in the area believed to be 80,000–90,000 years old and part of Mousterian culture. The flint in the outcrops nearby was utilized for arrows and points. Ostrich egg shells and onager bones shed light on the fauna of the time. Man-made knives and other hand held implements date from the Paleolithic and Mesolithic periods. Remains of a small settlement consisting of several round structures dates from the Bronze Age.