Robert Lee "Bob" DeProspero (December 31, 1938 – March 4, 2019) was an American civil servant. He was born in Morgantown, West Virginia. He was the United States Secret Service agent from 1965 to 1986. In 1981 after the attempted assassination of Ronald Reagan, he took charge of Reagan's security detail. The following year, DeProspero was appointed to head the Presidential Protective Division.