Patricia Espinosa Cantellano (born October 21, 1958) is a Mexican politician and diplomat who is currently serving as the executive secretary of the United Nations Framework Convention on Climate Change. She was Mexican Ambassador to Austria, Germany, Slovenia and Slovakia and served as Secretary of Foreign Affairs in the cabinet of President Felipe Calderón. She graduated with a bachelor's degree in International Relations from El Colegio de México and earned a diploma in International Law at the Graduate Institute of International and Development Studies in Switzerland. She is married and has two children.