William Chapman Foster | |
|---|---|
 | |
| 1st Director of the Arms Control and Disarmament Agency | |
| In office 1961–1969 | |
| President | John F. Kennedy Lyndon B. Johnson |
| Preceded by | Position established |
| Succeeded by | Gerard C. Smith |
| 3rd United States Deputy Secretary of Defense | |
| In office September 24, 1951 – January 20, 1953 | |
| President | Harry S. Truman |
| Preceded by | Robert A. Lovett |
| Succeeded by | Roger M. Kyes |
| United States Under Secretary of Commerce | |
| In office 1946–1948 | |
| President | Harry S. Truman |
| Preceded by | Alfred Schindler |
| Succeeded by | Charles W. Sawyer |
| Personal details | |
| Born | April 27, 1897 Westfield, New Jersey |
| Died | October 15, 1984 (aged 87) Washington, D.C. |
| Political party | Republican |
William Chapman Foster (April 27, 1897 – October 15, 1984) was an American businessman and high-ranking government official. He served as United States Under Secretary of Commerce and United States Deputy Secretary of Defense under President Harry Truman. Later, he served as the first United States Arms Control and Disarmament Agency director, under Presidents John F. Kennedy and Lyndon B. Johnson.