Thomas Ostrom Enders (November 28, 1931 – March 17, 1996) was an American diplomat. His father, Ostrom Enders, was president of the Hartford National Bank, and his uncle, John Franklin Enders, was the 1954 Nobel Laureate in Physiology or Medicine. Reagan then named Enders US Ambassador to Spain, with Enders presenting his credentials to the Spanish government on September 15, 1983 and representing the U.S. in Spain until July 6, 1986. Enders retired in 1986. He died in New York City on March 17, 1996. He is buried in Waterford, Connecticut.