Ein Tamar (Hebrew: עֵין תָּמָר, lit. Date Palm Spring) is a moshav in the northern Arava valley in Israel. Located south of the Dead Sea, it falls under the jurisdiction of Tamar Regional Council. In 2022 Ein Tamar had a population of 202.

Ein Tamar was established in August 1982 by 24 families. The biblical village of Tamar mentioned in Ezekiel 47:19 is probably located in the Hatzeva Fortress near Ir Ovot. Ein Tamar and the neighboring village of Neot HaKikar are among the country's most remote places, forty minutes away from the nearest city, Dimona. Most of the residents of Ein Tamar earn their livelihood from agriculture. Peppers and melons are the main crops.

• Ein Tamar Center for the Development of the Negev and Galilee