| David D. Newsom | |
| Birth Name: | David Dunlop Newsom |
| Birth Date: | 6 January 1918 |
| Office: | 10th Under Secretary of State for Political Affairs |
| Term Start: | April 19, 1978 |
| Term End: | February 27, 1981 |
| Predecessor: | Philip C. Habib |
| Successor: | Walter J. Stoessel, Jr. |
| Ambassador From1: | United States |
| Country1: | the Philippines |
| Term Start1: | November 11, 1977 |
| Term End1: | March 30, 1978 |
| President1: | Jimmy Carter |
| Predecessor1: | William H. Sullivan |
| Successor1: | Richard W. Murphy |
| Ambassador From2: | United States |
| Country2: | Indonesia |
| Term Start2: | December 19, 1973 |
| Term End2: | October 6, 1977 |
| Predecessor2: | Francis Joseph Galbraith |
| Successor2: | Edward E. Masters |
| President2: | Richard Nixon Gerald Ford Jimmy Carter |
| Ambassador From3: | United States |
| Country3: | Libya |
| Term Start3: | July 22, 1965 |
| Term End3: | June 21, 1969 |
| Predecessor3: | Edwin Allan Lightner |
| Successor3: | Joseph Palmer II |
| President3: | Lyndon B. Johnson Richard Nixon |
| Office4: | 4th Assistant Secretary of State for African Affairs |
| Term Start4: | July 17, 1969 |
| Term End4: | January 13, 1974 |
| Preceded4: | Joseph Palmer II |
| Succeeded4: | Donald B. Easum |
David Dunlop Newsom (January 6, 1918 – March 30, 2008) was an American diplomat. He joined the foreign service in 1952.[1] Newsom served as the United States Ambassador to Libya from 1965 to 1969, the United States Assistant Secretary of State for African Affairs from 1969 to 1974, the United States Ambassador to Indonesia from 1973 to 1977 and the United States Ambassador to the Philippines from 1977 to 1978.[2]
In October 1979, when Mohammad Reza Pahlavi checked into the New York Hospital-Cornell Medical Center, he used "David D. Newsom" as his temporary codename without Newsom's knowledge.
Newsom served as Acting Secretary of State in May 1980, and held the same position in January, 1981.[3]
Newsom was also the author of six books and a regular columnist for The Christian Science Monitor, contributing over 400 columns from 1981 to 2005.
On June 16, 2004, he joined a group of twenty-seven called Diplomats and Military Commanders for Change opposing the Iraq War.