John Edward Reinhardt (March 8, 1920 – February 18, 2016) was an American diplomat. He was born in Knoxville, Tennessee. He was the United States' ambassador to Nigeria from 1971 to 1975. This made him one of the first black ambassadors. From 1975 to 1977, he was Assistant Secretary of State for Public Affairs. He became the director of the United States Information Agency from 1977 to 1980.