Annette Kingsland Ziegler is an American jurist serving as chief justice of the Wisconsin Supreme Court since May 2021. She has been a member of the court since 2007, and is generally regarded as part of its conservative wing. Ziegler served as a Wisconsin circuit court judge in Washington County from 1997 to 2007.

The Wisconsin Supreme Court is the highest appellate court in Wisconsin. The Supreme Court has jurisdiction over original actions, appeals from lower courts, and regulation or administration of the practice of law in Wisconsin.