Harry George Barnes Jr. (June 5, 1926 – August 9, 2012) was an American diplomat, known for his role in ending the government of Chilean dictator Augusto Pinochet. A former Foreign Service Officer who served as US ambassador to Romania, India, and Chile, Barnes also occupied the post of Director General of the Foreign Service at the Department of State between December 22, 1977, and February 8, 1981. Elliott Abrams, the United States assistant secretary of state for inter-American affairs, once called Barnes "a world-class ambassador."