Lisa Blatt

Lisa Schiavo Blatt is an American lawyer known for her advocacy before the Supreme Court of the United States. As of December 2025, she has argued before the Supreme Court 55 times—the most of any woman in U.S. history. She is a partner at the law firm Williams & Connolly and chairs the firm's Supreme Court and appellate practice. She previously worked as an appellate lawyer for the U.S. government in the Office of the Solicitor General and later chaired the Supreme Court and appellate practice at the law firm Arnold & Porter.