Catherine De Medicis was a notable figure in French history, known for her political and cultural influence during the Renaissance era. As such, there are various synonyms and terms used to describe her. Some of the most common include "Queen Mother of France," "Regent of France," and "The Most Serene Queen." Others may refer to her by her full name, Catherine de' Medici, or as a member of the powerful Medici family. Additionally, she has been depicted in popular culture through various titles, such as "The Black Queen" or "The Machiavellian Queen," reflecting her controversial and complex legacy.