The Princess de Bouillon was a title held by several noblewomen in European history, particularly associated with the House of La Tour d'Auvergne. The most notable was Marie de La Tour d'Auvergne, who lived in the 17th century and was known for her beauty and intelligence. She was a prominent figure in the French court and had connections to various influential families. The title itself is linked to the region of Bouillon in present-day Belgium, which was historically significant during the medieval period. The princesses often played important roles in political alliances and social events, reflecting the power dynamics of their time.