Stephanie Sanders Sullivan (born September 27, 1958) is an American diplomat and the previous ambassador to Ghana. She served as Deputy Assistant Secretary for Central African Affairs and Security Affairs for the Bureau of African Affairs from January 2017 to November 2018. She previously served as United States Ambassador to the Republic of the Congo, having been nominated by President Obama on June 13, 2013, confirmed by the Senate on August 1, 2013, and served through January 20, 2017. As of November 2022, Sullivan is the nominee to be the US Representative to the African Union.