Levi Stewart Udall (January 20, 1891 – May 30, 1960) was an American lawyer who served as chief justice of the Arizona Supreme Court. He was a member of the Udall political family. Born and raised in Arizona, he was the son of David King Udall, a politician, and Ella Stewart Udall, the first telegraph operator in the Arizona Territory. He was named after his grandfather, Levi Stewart. He was a member of the Church of Jesus Christ of Latter-day Saints. In 1914 he married Louisa Lee, a granddaughter of John D. Lee and Jacob Hamblin. They would later have six children.