Lyn Stuart (born c. 1955) is an American jurist and the first Republican woman Chief Justice of Alabama and the second woman to hold the office. She was first appointed by Alabama Governor Kay Ivey as "acting" Chief Justice of the Supreme Court of Alabama on May 6, 2016, when her predecessor, Roy Moore, was suspended from office. At the time of her initial appointment, she had been an associate justice of the Alabama Supreme Court since 2001, which was the longest tenure for any Republican in the Court's history. She had been thrice elected as an associate justice in 2000, 2006, and 2012.