Andrew S. Natsios (born September 22, 1949) is an American public servant of Greek origin who has served in a number of Massachusetts and high level federal government positions. Most notably, he has served as Administrator of the U.S. Agency for International Development (USAID), U.S. Special Envoy to Sudan, and Vice President of World Vision. Currently, Natsios teaches as Executive Professor at The Bush School of Government and Public Service.