Wanda Letitia Nesbitt is a United States diplomat. A career Foreign Service officer, she has been appointed U.S Ambassador to several countries. From November 2013 to October 2017, she served as senior vice president of the National Defense University.

The National Defense University (NDU) is an institution of higher education funded by the United States Department of Defense aimed at facilitating high-level education, training, and professional development of national security leaders. As a chairman's Controlled Activity, NDU operates under the guidance of the Chairman of the Joint Chiefs of Staff (CJCS), with Lieutenant General Michael T. Plehn, USAF, as president. It is located on the grounds of Fort Lesley J. McNair in Washington, D.C., near the White House and the US Congress.