Yish'i is a moshav in central Israel. Located near Beit Shemesh, it falls under the jurisdiction of Mateh Yehuda Regional Council. In 2015 it had a population of 738. The modern village is built near the ancient biblical ruin of Beit Shemesh. Directly to the south-west of the modern village lies another ancient ruin, believed to date back to the Second Temple period, now called Khurbet Bîr el-Leimûn (the Lemon well).