Daniel Joseph Murphy Sr. (March 24, 1922 – September 21, 2001) was a four-star admiral in the United States Navy and an official in the Carter and Reagan administrations.

[1] He joined the Navy in 1943, during his second year at St. John's University in New York, and flew anti-submarine patrols over the North Atlantic during World War II.

[3] During this period, a covert team of military operatives led by Vice-Admiral Arthur S. Moreau Jr. was sometimes run out of his office.

[4] At the end of Ronald Reagan's first term, Murphy left government to join the Washington D.C. lobbying and public relations firm Gray and Company (later Hill & Knowlton Worldwide) as a vice chairman.

He later founded Murphy & Associates in Georgetown providing public affairs and consulting support to U.S. and international firms.