Adas Israel Congregation (or Adath Israel Congregation, but known locally as the 3rd Street Shul) was a Modern Orthodox Jewish synagogue located in Duluth, Minnesota established in the late 19th century. Until its destruction by arson on September 9, 2019, it was the oldest surviving Orthodox synagogue in Duluth having outlived and incorporated several Orthodox synagogues in the Twin Ports area. By 1973, it was the only Orthodox synagogue in Duluth. On September 9, 2019, the 3rd Street synagogue was destroyed by a fire that was caused by arson.