The Maoz Haim Synagogue was a former ancient Jewish synagogue and now archeological site, that is located near Maoz Haim, in the Beit She'an region, in the Jezreel Valley area of the Galilee district of northern Israel. Constructed in the third century as a simple Byzantine-era type basilica building, later apsidical, the ruins of which were discovered in February 1974 by A. Ya’aqobi during some unrelated digging near Maoz Haim.