Joan Margaret Clark (born March 27, 1922) is an American retired diplomat who served as United States Ambassador to Malta between 1979 and 1981.

[1] Born in Ridgefield Park, New Jersey, she is a member of the American Academy of Diplomacy.

In 2007, Clark was presented the Lifetime Contributions to American Diplomacy Award by the American Foreign Service Association.

She also served as Director of the Office of Management Policy (April 10, 1977 – March 20, 1979) and Assistant Secretary of State for Consular Affairs (1983-1989).

[3] Foreign Service Journal article on her Lifetime Contributions to American Diplomacy Award.