Jack Hood Vaughn (b. August 18, 1920, Lame Deer, MT–d. October 29, 2012, Tuscon, AZ) was an ambassador, assistant Secretary of State, and Director of the Peace Corps. He graduated from the University of Michigan with a BA (1943) and an MA (1947); he also taught there and was the head boxing coach. He was also a professional boxer. In 1949 he joined the civil service as the Latin-American director of Peace Corps (1961-1964). He was subsequently the director of the Peace Corps (1966-1969) and appointed US Ambassador to Panama (1964), Columbia (1969-1970), and as Assistant Secretary of State (1965-1966). Between 1977 and 1988 he held various roles at the National Urban Coalition, Florida International University, Children's Television Workshop, Planned Parenthood, Corporation for Iran, USAID, Pierce Energy Corporation, Development Associates, and the Conservation International.